Evaluate
2x^{3}+9x^{2}+7x+7
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2x^{3}+9x^{2}+7x+7
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\frac{2x^{4}+7x^{3}-2x^{2}-7}{x-1}
Add -13 and 6 to get -7.
\frac{\left(x-1\right)\left(2x^{3}+9x^{2}+7x+7\right)}{x-1}
Factor the expressions that are not already factored.
2x^{3}+9x^{2}+7x+7
Cancel out x-1 in both numerator and denominator.
\frac{2x^{4}+7x^{3}-2x^{2}-7}{x-1}
Add -13 and 6 to get -7.
\frac{\left(x-1\right)\left(2x^{3}+9x^{2}+7x+7\right)}{x-1}
Factor the expressions that are not already factored.
2x^{3}+9x^{2}+7x+7
Cancel out x-1 in both numerator and denominator.
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}