Evaluate
27x^{6}-54x^{8}
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27x^{6}-54x^{8}
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\frac{\left(15x^{4}-30x^{6}\right)x^{2}}{5}\times 9
Express \frac{15x^{4}-30x^{6}}{5}x^{2} as a single fraction.
\frac{\left(15x^{4}-30x^{6}\right)x^{2}\times 9}{5}
Express \frac{\left(15x^{4}-30x^{6}\right)x^{2}}{5}\times 9 as a single fraction.
\frac{\left(15x^{6}-30x^{8}\right)\times 9}{5}
Use the distributive property to multiply 15x^{4}-30x^{6} by x^{2}.
\frac{135x^{6}-270x^{8}}{5}
Use the distributive property to multiply 15x^{6}-30x^{8} by 9.
\frac{\left(15x^{4}-30x^{6}\right)x^{2}}{5}\times 9
Express \frac{15x^{4}-30x^{6}}{5}x^{2} as a single fraction.
\frac{\left(15x^{4}-30x^{6}\right)x^{2}\times 9}{5}
Express \frac{\left(15x^{4}-30x^{6}\right)x^{2}}{5}\times 9 as a single fraction.
\frac{\left(15x^{6}-30x^{8}\right)\times 9}{5}
Use the distributive property to multiply 15x^{4}-30x^{6} by x^{2}.
\frac{135x^{6}-270x^{8}}{5}
Use the distributive property to multiply 15x^{6}-30x^{8} by 9.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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Matrix
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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}