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\frac{\left(\left(x+2\right)^{2}-9\right)\times 18x}{\left(3x-3\right)\left(3x^{2}+15x\right)}
Divide \frac{\left(x+2\right)^{2}-9}{3x-3} by \frac{3x^{2}+15x}{18x} by multiplying \frac{\left(x+2\right)^{2}-9}{3x-3} by the reciprocal of \frac{3x^{2}+15x}{18x}.
\frac{18x\left(x-1\right)\left(x+5\right)}{3^{2}x\left(x-1\right)\left(x+5\right)}
Factor the expressions that are not already factored.
\frac{18}{3^{2}}
Cancel out x\left(x-1\right)\left(x+5\right) in both numerator and denominator.
\frac{18}{9}
Calculate 3 to the power of 2 and get 9.
2
Divide 18 by 9 to get 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}