Solve 1/12left(x+4right)left(x+1right)left(x-1right)left(x-3right)

$$\frac{ 1 }{ 12 } \left( x+4 \right) \left( x+1 \right) \left( x-1 \right) \left( x-3 \right)$$

Evaluate

$$\frac{\left(x-3\right)\left(x+4\right)\left(x^{2}-1\right)}{12}$$

Solution Steps

Use the distributive property to multiply \frac{1}{12} by x+4.

$$\left(\frac{1}{12}x+\frac{1}{12}\times 4\right)\left(x+1\right)\left(x-1\right)\left(x-3\right)$$

Multiply \frac{1}{12} and 4 to get \frac{4}{12}.

$$\left(\frac{1}{12}x+\frac{4}{12}\right)\left(x+1\right)\left(x-1\right)\left(x-3\right)$$

Reduce the fraction \frac{4}{12} to lowest terms by extracting and canceling out 4.

$$\left(\frac{1}{12}x+\frac{1}{3}\right)\left(x+1\right)\left(x-1\right)\left(x-3\right)$$

Apply the distributive property by multiplying each term of \frac{1}{12}x+\frac{1}{3} by each term of x+1.

$$\left(\frac{1}{12}xx+\frac{1}{12}x+\frac{1}{3}x+\frac{1}{3}\right)\left(x-1\right)\left(x-3\right)$$

Multiply x and x to get x^{2}.

$$\left(\frac{1}{12}x^{2}+\frac{1}{12}x+\frac{1}{3}x+\frac{1}{3}\right)\left(x-1\right)\left(x-3\right)$$

Combine \frac{1}{12}x and \frac{1}{3}x to get \frac{5}{12}x.

$$\left(\frac{1}{12}x^{2}+\frac{5}{12}x+\frac{1}{3}\right)\left(x-1\right)\left(x-3\right)$$

Apply the distributive property by multiplying each term of \frac{1}{12}x^{2}+\frac{5}{12}x+\frac{1}{3} by each term of x-1.

$$\left(\frac{1}{12}x^{2}x+\frac{1}{12}x^{2}\left(-1\right)+\frac{5}{12}xx+\frac{5}{12}x\left(-1\right)+\frac{1}{3}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

To multiply powers of the same base, add their exponents. Add 2 and 1 to get 3.

$$\left(\frac{1}{12}x^{3}+\frac{1}{12}x^{2}\left(-1\right)+\frac{5}{12}xx+\frac{5}{12}x\left(-1\right)+\frac{1}{3}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

Multiply x and x to get x^{2}.

$$\left(\frac{1}{12}x^{3}+\frac{1}{12}x^{2}\left(-1\right)+\frac{5}{12}x^{2}+\frac{5}{12}x\left(-1\right)+\frac{1}{3}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

Multiply \frac{1}{12} and -1 to get -\frac{1}{12}.

$$\left(\frac{1}{12}x^{3}-\frac{1}{12}x^{2}+\frac{5}{12}x^{2}+\frac{5}{12}x\left(-1\right)+\frac{1}{3}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

Combine -\frac{1}{12}x^{2} and \frac{5}{12}x^{2} to get \frac{1}{3}x^{2}.

$$\left(\frac{1}{12}x^{3}+\frac{1}{3}x^{2}+\frac{5}{12}x\left(-1\right)+\frac{1}{3}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

Multiply \frac{5}{12} and -1 to get -\frac{5}{12}.

$$\left(\frac{1}{12}x^{3}+\frac{1}{3}x^{2}-\frac{5}{12}x+\frac{1}{3}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

Combine -\frac{5}{12}x and \frac{1}{3}x to get -\frac{1}{12}x.

$$\left(\frac{1}{12}x^{3}+\frac{1}{3}x^{2}-\frac{1}{12}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

Multiply \frac{1}{3} and -1 to get -\frac{1}{3}.

$$\left(\frac{1}{12}x^{3}+\frac{1}{3}x^{2}-\frac{1}{12}x-\frac{1}{3}\right)\left(x-3\right)$$

Apply the distributive property by multiplying each term of \frac{1}{12}x^{3}+\frac{1}{3}x^{2}-\frac{1}{12}x-\frac{1}{3} by each term of x-3.

$$\frac{1}{12}x^{3}x+\frac{1}{12}x^{3}\left(-3\right)+\frac{1}{3}x^{2}x+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}xx-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

To multiply powers of the same base, add their exponents. Add 3 and 1 to get 4.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}\left(-3\right)+\frac{1}{3}x^{2}x+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}xx-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

To multiply powers of the same base, add their exponents. Add 2 and 1 to get 3.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}\left(-3\right)+\frac{1}{3}x^{3}+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}xx-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Multiply x and x to get x^{2}.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}\left(-3\right)+\frac{1}{3}x^{3}+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Multiply \frac{1}{12} and -3 to get \frac{-3}{12}.

$$\frac{1}{12}x^{4}+\frac{-3}{12}x^{3}+\frac{1}{3}x^{3}+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Reduce the fraction \frac{-3}{12} to lowest terms by extracting and canceling out 3.

$$\frac{1}{12}x^{4}-\frac{1}{4}x^{3}+\frac{1}{3}x^{3}+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Combine -\frac{1}{4}x^{3} and \frac{1}{3}x^{3} to get \frac{1}{12}x^{3}.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Multiply \frac{1}{3} and -3 to get \frac{-3}{3}.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}+\frac{-3}{3}x^{2}-\frac{1}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Divide -3 by 3 to get -1.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-x^{2}-\frac{1}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Combine -x^{2} and -\frac{1}{12}x^{2} to get -\frac{13}{12}x^{2}.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Express -\frac{1}{12}\left(-3\right) as a single fraction.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}+\frac{-\left(-3\right)}{12}x-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Multiply -1 and -3 to get 3.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}+\frac{3}{12}x-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Reduce the fraction \frac{3}{12} to lowest terms by extracting and canceling out 3.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}+\frac{1}{4}x-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Combine \frac{1}{4}x and -\frac{1}{3}x to get -\frac{1}{12}x.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}-\frac{1}{12}x-\frac{1}{3}\left(-3\right)$$

Express -\frac{1}{3}\left(-3\right) as a single fraction.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}-\frac{1}{12}x+\frac{-\left(-3\right)}{3}$$

Multiply -1 and -3 to get 3.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}-\frac{1}{12}x+\frac{3}{3}$$

Divide 3 by 3 to get 1.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}-\frac{1}{12}x+1$$

Expand

$$\frac{x^{4}}{12}+\frac{x^{3}}{12}-\frac{13x^{2}}{12}-\frac{x}{12}+1$$

Solution Steps

Use the distributive property to multiply \frac{1}{12} by x+4.

$$\left(\frac{1}{12}x+\frac{1}{12}\times 4\right)\left(x+1\right)\left(x-1\right)\left(x-3\right)$$

Multiply \frac{1}{12} and 4 to get \frac{4}{12}.

$$\left(\frac{1}{12}x+\frac{4}{12}\right)\left(x+1\right)\left(x-1\right)\left(x-3\right)$$

Reduce the fraction \frac{4}{12} to lowest terms by extracting and canceling out 4.

$$\left(\frac{1}{12}x+\frac{1}{3}\right)\left(x+1\right)\left(x-1\right)\left(x-3\right)$$

Apply the distributive property by multiplying each term of \frac{1}{12}x+\frac{1}{3} by each term of x+1.

$$\left(\frac{1}{12}xx+\frac{1}{12}x+\frac{1}{3}x+\frac{1}{3}\right)\left(x-1\right)\left(x-3\right)$$

Multiply x and x to get x^{2}.

$$\left(\frac{1}{12}x^{2}+\frac{1}{12}x+\frac{1}{3}x+\frac{1}{3}\right)\left(x-1\right)\left(x-3\right)$$

Combine \frac{1}{12}x and \frac{1}{3}x to get \frac{5}{12}x.

$$\left(\frac{1}{12}x^{2}+\frac{5}{12}x+\frac{1}{3}\right)\left(x-1\right)\left(x-3\right)$$

Apply the distributive property by multiplying each term of \frac{1}{12}x^{2}+\frac{5}{12}x+\frac{1}{3} by each term of x-1.

$$\left(\frac{1}{12}x^{2}x+\frac{1}{12}x^{2}\left(-1\right)+\frac{5}{12}xx+\frac{5}{12}x\left(-1\right)+\frac{1}{3}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

To multiply powers of the same base, add their exponents. Add 2 and 1 to get 3.

$$\left(\frac{1}{12}x^{3}+\frac{1}{12}x^{2}\left(-1\right)+\frac{5}{12}xx+\frac{5}{12}x\left(-1\right)+\frac{1}{3}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

Multiply x and x to get x^{2}.

$$\left(\frac{1}{12}x^{3}+\frac{1}{12}x^{2}\left(-1\right)+\frac{5}{12}x^{2}+\frac{5}{12}x\left(-1\right)+\frac{1}{3}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

Multiply \frac{1}{12} and -1 to get -\frac{1}{12}.

$$\left(\frac{1}{12}x^{3}-\frac{1}{12}x^{2}+\frac{5}{12}x^{2}+\frac{5}{12}x\left(-1\right)+\frac{1}{3}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

Combine -\frac{1}{12}x^{2} and \frac{5}{12}x^{2} to get \frac{1}{3}x^{2}.

$$\left(\frac{1}{12}x^{3}+\frac{1}{3}x^{2}+\frac{5}{12}x\left(-1\right)+\frac{1}{3}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

Multiply \frac{5}{12} and -1 to get -\frac{5}{12}.

$$\left(\frac{1}{12}x^{3}+\frac{1}{3}x^{2}-\frac{5}{12}x+\frac{1}{3}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

Combine -\frac{5}{12}x and \frac{1}{3}x to get -\frac{1}{12}x.

$$\left(\frac{1}{12}x^{3}+\frac{1}{3}x^{2}-\frac{1}{12}x+\frac{1}{3}\left(-1\right)\right)\left(x-3\right)$$

Multiply \frac{1}{3} and -1 to get -\frac{1}{3}.

$$\left(\frac{1}{12}x^{3}+\frac{1}{3}x^{2}-\frac{1}{12}x-\frac{1}{3}\right)\left(x-3\right)$$

Apply the distributive property by multiplying each term of \frac{1}{12}x^{3}+\frac{1}{3}x^{2}-\frac{1}{12}x-\frac{1}{3} by each term of x-3.

$$\frac{1}{12}x^{3}x+\frac{1}{12}x^{3}\left(-3\right)+\frac{1}{3}x^{2}x+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}xx-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

To multiply powers of the same base, add their exponents. Add 3 and 1 to get 4.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}\left(-3\right)+\frac{1}{3}x^{2}x+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}xx-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

To multiply powers of the same base, add their exponents. Add 2 and 1 to get 3.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}\left(-3\right)+\frac{1}{3}x^{3}+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}xx-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Multiply x and x to get x^{2}.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}\left(-3\right)+\frac{1}{3}x^{3}+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Multiply \frac{1}{12} and -3 to get \frac{-3}{12}.

$$\frac{1}{12}x^{4}+\frac{-3}{12}x^{3}+\frac{1}{3}x^{3}+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Reduce the fraction \frac{-3}{12} to lowest terms by extracting and canceling out 3.

$$\frac{1}{12}x^{4}-\frac{1}{4}x^{3}+\frac{1}{3}x^{3}+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Combine -\frac{1}{4}x^{3} and \frac{1}{3}x^{3} to get \frac{1}{12}x^{3}.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}+\frac{1}{3}x^{2}\left(-3\right)-\frac{1}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Multiply \frac{1}{3} and -3 to get \frac{-3}{3}.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}+\frac{-3}{3}x^{2}-\frac{1}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Divide -3 by 3 to get -1.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-x^{2}-\frac{1}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Combine -x^{2} and -\frac{1}{12}x^{2} to get -\frac{13}{12}x^{2}.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}-\frac{1}{12}x\left(-3\right)-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Express -\frac{1}{12}\left(-3\right) as a single fraction.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}+\frac{-\left(-3\right)}{12}x-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Multiply -1 and -3 to get 3.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}+\frac{3}{12}x-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Reduce the fraction \frac{3}{12} to lowest terms by extracting and canceling out 3.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}+\frac{1}{4}x-\frac{1}{3}x-\frac{1}{3}\left(-3\right)$$

Combine \frac{1}{4}x and -\frac{1}{3}x to get -\frac{1}{12}x.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}-\frac{1}{12}x-\frac{1}{3}\left(-3\right)$$

Express -\frac{1}{3}\left(-3\right) as a single fraction.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}-\frac{1}{12}x+\frac{-\left(-3\right)}{3}$$

Multiply -1 and -3 to get 3.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}-\frac{1}{12}x+\frac{3}{3}$$

Divide 3 by 3 to get 1.

$$\frac{1}{12}x^{4}+\frac{1}{12}x^{3}-\frac{13}{12}x^{2}-\frac{1}{12}x+1$$