Evaluate
\frac{3x^{2}}{x-1}
Expand
\frac{3x^{2}}{x-1}
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\frac{24\left(x-3\right)}{8\left(x-1\right)}\times \frac{6x^{3}-12x^{2}}{6x^{2}-30x+36}
Factor the expressions that are not already factored in \frac{24x-72}{8x-8}.
\frac{3\left(x-3\right)}{x-1}\times \frac{6x^{3}-12x^{2}}{6x^{2}-30x+36}
Cancel out 8 in both numerator and denominator.
\frac{3\left(x-3\right)}{x-1}\times \frac{6\left(x-2\right)x^{2}}{6\left(x-3\right)\left(x-2\right)}
Factor the expressions that are not already factored in \frac{6x^{3}-12x^{2}}{6x^{2}-30x+36}.
\frac{3\left(x-3\right)}{x-1}\times \frac{x^{2}}{x-3}
Cancel out 6\left(x-2\right) in both numerator and denominator.
\frac{3\left(x-3\right)x^{2}}{\left(x-1\right)\left(x-3\right)}
Multiply \frac{3\left(x-3\right)}{x-1} times \frac{x^{2}}{x-3} by multiplying numerator times numerator and denominator times denominator.
\frac{3x^{2}}{x-1}
Cancel out x-3 in both numerator and denominator.
\frac{24\left(x-3\right)}{8\left(x-1\right)}\times \frac{6x^{3}-12x^{2}}{6x^{2}-30x+36}
Factor the expressions that are not already factored in \frac{24x-72}{8x-8}.
\frac{3\left(x-3\right)}{x-1}\times \frac{6x^{3}-12x^{2}}{6x^{2}-30x+36}
Cancel out 8 in both numerator and denominator.
\frac{3\left(x-3\right)}{x-1}\times \frac{6\left(x-2\right)x^{2}}{6\left(x-3\right)\left(x-2\right)}
Factor the expressions that are not already factored in \frac{6x^{3}-12x^{2}}{6x^{2}-30x+36}.
\frac{3\left(x-3\right)}{x-1}\times \frac{x^{2}}{x-3}
Cancel out 6\left(x-2\right) in both numerator and denominator.
\frac{3\left(x-3\right)x^{2}}{\left(x-1\right)\left(x-3\right)}
Multiply \frac{3\left(x-3\right)}{x-1} times \frac{x^{2}}{x-3} by multiplying numerator times numerator and denominator times denominator.
\frac{3x^{2}}{x-1}
Cancel out x-3 in both numerator and denominator.
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}