Evaluate
x^{3}+x^{2}-2x+4
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x^{3}+x^{2}-2x+4
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\frac{\left(x-2\right)\left(x+1\right)\left(x^{3}+x^{2}-2x+4\right)}{\left(x-2\right)\left(x+1\right)}
Factor the expressions that are not already factored.
x^{3}+x^{2}-2x+4
Cancel out \left(x-2\right)\left(x+1\right) in both numerator and denominator.
\frac{\left(x-2\right)\left(x+1\right)\left(x^{3}+x^{2}-2x+4\right)}{\left(x-2\right)\left(x+1\right)}
Factor the expressions that are not already factored.
x^{3}+x^{2}-2x+4
Cancel out \left(x-2\right)\left(x+1\right) in both numerator and denominator.
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
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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
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Limits
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