Evaluate
\left(x+1\right)\left(x+2\right)\left(x-2\right)^{2}
Expand
x^{4}-x^{3}-6x^{2}+4x+8
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\left(x^{2}-x-2\right)\left(x^{2}-4\right)
Divide \frac{x^{2}-x-2}{1} by \frac{1}{x^{2}-4} by multiplying \frac{x^{2}-x-2}{1} by the reciprocal of \frac{1}{x^{2}-4}.
x^{4}-6x^{2}-x^{3}+4x+8
Use the distributive property to multiply x^{2}-x-2 by x^{2}-4 and combine like terms.
\left(x^{2}-x-2\right)\left(x^{2}-4\right)
Divide \frac{x^{2}-x-2}{1} by \frac{1}{x^{2}-4} by multiplying \frac{x^{2}-x-2}{1} by the reciprocal of \frac{1}{x^{2}-4}.
x^{4}-6x^{2}-x^{3}+4x+8
Use the distributive property to multiply x^{2}-x-2 by x^{2}-4 and combine like terms.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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