Evaluate
\frac{12x\left(6x^{2}-1\right)}{25\left(4x-1\right)}
Expand
\frac{12\left(6x^{3}-x\right)}{25\left(4x-1\right)}
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\frac{\left(24x^{3}-4x\right)\times 3x}{5x\left(20x-5\right)}
Divide \frac{24x^{3}-4x}{5x} by \frac{20x-5}{3x} by multiplying \frac{24x^{3}-4x}{5x} by the reciprocal of \frac{20x-5}{3x}.
\frac{3\left(24x^{3}-4x\right)}{5\left(20x-5\right)}
Cancel out x in both numerator and denominator.
\frac{72x^{3}-12x}{5\left(20x-5\right)}
Use the distributive property to multiply 3 by 24x^{3}-4x.
\frac{72x^{3}-12x}{100x-25}
Use the distributive property to multiply 5 by 20x-5.
\frac{\left(24x^{3}-4x\right)\times 3x}{5x\left(20x-5\right)}
Divide \frac{24x^{3}-4x}{5x} by \frac{20x-5}{3x} by multiplying \frac{24x^{3}-4x}{5x} by the reciprocal of \frac{20x-5}{3x}.
\frac{3\left(24x^{3}-4x\right)}{5\left(20x-5\right)}
Cancel out x in both numerator and denominator.
\frac{72x^{3}-12x}{5\left(20x-5\right)}
Use the distributive property to multiply 3 by 24x^{3}-4x.
\frac{72x^{3}-12x}{100x-25}
Use the distributive property to multiply 5 by 20x-5.
Examples
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{ 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}