Evaluate
-\frac{\left(x-3\right)\left(x+16\right)}{2\left(7x-16\right)}
Expand
-\frac{x^{2}+13x-48}{2\left(7x-16\right)}
Graph
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\frac{\frac{x+2}{-2}-7}{\frac{x+2}{x-3}+6}
Subtract 3 from 1 to get -2.
\frac{\frac{-x-2}{2}-7}{\frac{x+2}{x-3}+6}
Multiply both numerator and denominator by -1.
\frac{\frac{-x-2}{2}-\frac{7\times 2}{2}}{\frac{x+2}{x-3}+6}
To add or subtract expressions, expand them to make their denominators the same. Multiply 7 times \frac{2}{2}.
\frac{\frac{-x-2-7\times 2}{2}}{\frac{x+2}{x-3}+6}
Since \frac{-x-2}{2} and \frac{7\times 2}{2} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{-x-2-14}{2}}{\frac{x+2}{x-3}+6}
Do the multiplications in -x-2-7\times 2.
\frac{\frac{-x-16}{2}}{\frac{x+2}{x-3}+6}
Combine like terms in -x-2-14.
\frac{\frac{-x-16}{2}}{\frac{x+2}{x-3}+\frac{6\left(x-3\right)}{x-3}}
To add or subtract expressions, expand them to make their denominators the same. Multiply 6 times \frac{x-3}{x-3}.
\frac{\frac{-x-16}{2}}{\frac{x+2+6\left(x-3\right)}{x-3}}
Since \frac{x+2}{x-3} and \frac{6\left(x-3\right)}{x-3} have the same denominator, add them by adding their numerators.
\frac{\frac{-x-16}{2}}{\frac{x+2+6x-18}{x-3}}
Do the multiplications in x+2+6\left(x-3\right).
\frac{\frac{-x-16}{2}}{\frac{7x-16}{x-3}}
Combine like terms in x+2+6x-18.
\frac{\left(-x-16\right)\left(x-3\right)}{2\left(7x-16\right)}
Divide \frac{-x-16}{2} by \frac{7x-16}{x-3} by multiplying \frac{-x-16}{2} by the reciprocal of \frac{7x-16}{x-3}.
\frac{-x^{2}+3x-16x+48}{2\left(7x-16\right)}
Apply the distributive property by multiplying each term of -x-16 by each term of x-3.
\frac{-x^{2}-13x+48}{2\left(7x-16\right)}
Combine 3x and -16x to get -13x.
\frac{-x^{2}-13x+48}{14x-32}
Use the distributive property to multiply 2 by 7x-16.
\frac{\frac{x+2}{-2}-7}{\frac{x+2}{x-3}+6}
Subtract 3 from 1 to get -2.
\frac{\frac{-x-2}{2}-7}{\frac{x+2}{x-3}+6}
Multiply both numerator and denominator by -1.
\frac{\frac{-x-2}{2}-\frac{7\times 2}{2}}{\frac{x+2}{x-3}+6}
To add or subtract expressions, expand them to make their denominators the same. Multiply 7 times \frac{2}{2}.
\frac{\frac{-x-2-7\times 2}{2}}{\frac{x+2}{x-3}+6}
Since \frac{-x-2}{2} and \frac{7\times 2}{2} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{-x-2-14}{2}}{\frac{x+2}{x-3}+6}
Do the multiplications in -x-2-7\times 2.
\frac{\frac{-x-16}{2}}{\frac{x+2}{x-3}+6}
Combine like terms in -x-2-14.
\frac{\frac{-x-16}{2}}{\frac{x+2}{x-3}+\frac{6\left(x-3\right)}{x-3}}
To add or subtract expressions, expand them to make their denominators the same. Multiply 6 times \frac{x-3}{x-3}.
\frac{\frac{-x-16}{2}}{\frac{x+2+6\left(x-3\right)}{x-3}}
Since \frac{x+2}{x-3} and \frac{6\left(x-3\right)}{x-3} have the same denominator, add them by adding their numerators.
\frac{\frac{-x-16}{2}}{\frac{x+2+6x-18}{x-3}}
Do the multiplications in x+2+6\left(x-3\right).
\frac{\frac{-x-16}{2}}{\frac{7x-16}{x-3}}
Combine like terms in x+2+6x-18.
\frac{\left(-x-16\right)\left(x-3\right)}{2\left(7x-16\right)}
Divide \frac{-x-16}{2} by \frac{7x-16}{x-3} by multiplying \frac{-x-16}{2} by the reciprocal of \frac{7x-16}{x-3}.
\frac{-x^{2}+3x-16x+48}{2\left(7x-16\right)}
Apply the distributive property by multiplying each term of -x-16 by each term of x-3.
\frac{-x^{2}-13x+48}{2\left(7x-16\right)}
Combine 3x and -16x to get -13x.
\frac{-x^{2}-13x+48}{14x-32}
Use the distributive property to multiply 2 by 7x-16.
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}