Evaluate
-\frac{x\left(x-2\right)\left(-x^{3}+3x^{2}+2x-1\right)}{\left(x-4\right)\left(x-3\right)\left(2x-1\right)}
Expand
\frac{2x-5x^{2}-4x^{3}+5x^{4}-x^{5}}{\left(4-x\right)\left(x-3\right)\left(2x-1\right)}
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\frac{\frac{2x-1}{\left(x-3\right)\left(2x-1\right)}-\frac{x^{2}\left(x-3\right)}{\left(x-3\right)\left(2x-1\right)}}{\frac{x-2}{x}-\frac{x-3}{x-2}}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of x-3 and 2x-1 is \left(x-3\right)\left(2x-1\right). Multiply \frac{1}{x-3} times \frac{2x-1}{2x-1}. Multiply \frac{x^{2}}{2x-1} times \frac{x-3}{x-3}.
\frac{\frac{2x-1-x^{2}\left(x-3\right)}{\left(x-3\right)\left(2x-1\right)}}{\frac{x-2}{x}-\frac{x-3}{x-2}}
Since \frac{2x-1}{\left(x-3\right)\left(2x-1\right)} and \frac{x^{2}\left(x-3\right)}{\left(x-3\right)\left(2x-1\right)} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)}}{\frac{x-2}{x}-\frac{x-3}{x-2}}
Do the multiplications in 2x-1-x^{2}\left(x-3\right).
\frac{\frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)}}{\frac{\left(x-2\right)\left(x-2\right)}{x\left(x-2\right)}-\frac{\left(x-3\right)x}{x\left(x-2\right)}}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of x and x-2 is x\left(x-2\right). Multiply \frac{x-2}{x} times \frac{x-2}{x-2}. Multiply \frac{x-3}{x-2} times \frac{x}{x}.
\frac{\frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)}}{\frac{\left(x-2\right)\left(x-2\right)-\left(x-3\right)x}{x\left(x-2\right)}}
Since \frac{\left(x-2\right)\left(x-2\right)}{x\left(x-2\right)} and \frac{\left(x-3\right)x}{x\left(x-2\right)} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)}}{\frac{-2x+x^{2}-2x+4-x^{2}+3x}{x\left(x-2\right)}}
Do the multiplications in \left(x-2\right)\left(x-2\right)-\left(x-3\right)x.
\frac{\frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)}}{\frac{-x+4}{x\left(x-2\right)}}
Combine like terms in -2x+x^{2}-2x+4-x^{2}+3x.
\frac{\left(2x-1-x^{3}+3x^{2}\right)x\left(x-2\right)}{\left(x-3\right)\left(2x-1\right)\left(-x+4\right)}
Divide \frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)} by \frac{-x+4}{x\left(x-2\right)} by multiplying \frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)} by the reciprocal of \frac{-x+4}{x\left(x-2\right)}.
\frac{\left(2x^{2}-x-x^{4}+3x^{3}\right)\left(x-2\right)}{\left(x-3\right)\left(2x-1\right)\left(-x+4\right)}
Use the distributive property to multiply 2x-1-x^{3}+3x^{2} by x.
\frac{-4x^{3}-5x^{2}+2x-x^{5}+5x^{4}}{\left(x-3\right)\left(2x-1\right)\left(-x+4\right)}
Use the distributive property to multiply 2x^{2}-x-x^{4}+3x^{3} by x-2 and combine like terms.
\frac{-4x^{3}-5x^{2}+2x-x^{5}+5x^{4}}{\left(2x^{2}-7x+3\right)\left(-x+4\right)}
Use the distributive property to multiply x-3 by 2x-1 and combine like terms.
\frac{-4x^{3}-5x^{2}+2x-x^{5}+5x^{4}}{-2x^{3}+15x^{2}-31x+12}
Use the distributive property to multiply 2x^{2}-7x+3 by -x+4 and combine like terms.
\frac{\frac{2x-1}{\left(x-3\right)\left(2x-1\right)}-\frac{x^{2}\left(x-3\right)}{\left(x-3\right)\left(2x-1\right)}}{\frac{x-2}{x}-\frac{x-3}{x-2}}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of x-3 and 2x-1 is \left(x-3\right)\left(2x-1\right). Multiply \frac{1}{x-3} times \frac{2x-1}{2x-1}. Multiply \frac{x^{2}}{2x-1} times \frac{x-3}{x-3}.
\frac{\frac{2x-1-x^{2}\left(x-3\right)}{\left(x-3\right)\left(2x-1\right)}}{\frac{x-2}{x}-\frac{x-3}{x-2}}
Since \frac{2x-1}{\left(x-3\right)\left(2x-1\right)} and \frac{x^{2}\left(x-3\right)}{\left(x-3\right)\left(2x-1\right)} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)}}{\frac{x-2}{x}-\frac{x-3}{x-2}}
Do the multiplications in 2x-1-x^{2}\left(x-3\right).
\frac{\frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)}}{\frac{\left(x-2\right)\left(x-2\right)}{x\left(x-2\right)}-\frac{\left(x-3\right)x}{x\left(x-2\right)}}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of x and x-2 is x\left(x-2\right). Multiply \frac{x-2}{x} times \frac{x-2}{x-2}. Multiply \frac{x-3}{x-2} times \frac{x}{x}.
\frac{\frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)}}{\frac{\left(x-2\right)\left(x-2\right)-\left(x-3\right)x}{x\left(x-2\right)}}
Since \frac{\left(x-2\right)\left(x-2\right)}{x\left(x-2\right)} and \frac{\left(x-3\right)x}{x\left(x-2\right)} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)}}{\frac{-2x+x^{2}-2x+4-x^{2}+3x}{x\left(x-2\right)}}
Do the multiplications in \left(x-2\right)\left(x-2\right)-\left(x-3\right)x.
\frac{\frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)}}{\frac{-x+4}{x\left(x-2\right)}}
Combine like terms in -2x+x^{2}-2x+4-x^{2}+3x.
\frac{\left(2x-1-x^{3}+3x^{2}\right)x\left(x-2\right)}{\left(x-3\right)\left(2x-1\right)\left(-x+4\right)}
Divide \frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)} by \frac{-x+4}{x\left(x-2\right)} by multiplying \frac{2x-1-x^{3}+3x^{2}}{\left(x-3\right)\left(2x-1\right)} by the reciprocal of \frac{-x+4}{x\left(x-2\right)}.
\frac{\left(2x^{2}-x-x^{4}+3x^{3}\right)\left(x-2\right)}{\left(x-3\right)\left(2x-1\right)\left(-x+4\right)}
Use the distributive property to multiply 2x-1-x^{3}+3x^{2} by x.
\frac{-4x^{3}-5x^{2}+2x-x^{5}+5x^{4}}{\left(x-3\right)\left(2x-1\right)\left(-x+4\right)}
Use the distributive property to multiply 2x^{2}-x-x^{4}+3x^{3} by x-2 and combine like terms.
\frac{-4x^{3}-5x^{2}+2x-x^{5}+5x^{4}}{\left(2x^{2}-7x+3\right)\left(-x+4\right)}
Use the distributive property to multiply x-3 by 2x-1 and combine like terms.
\frac{-4x^{3}-5x^{2}+2x-x^{5}+5x^{4}}{-2x^{3}+15x^{2}-31x+12}
Use the distributive property to multiply 2x^{2}-7x+3 by -x+4 and combine like terms.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}