Evaluate
8x^{4}-6x^{2}-10
Factor
8\left(x^{2}-\frac{3-\sqrt{89}}{8}\right)\left(x^{2}-\frac{\sqrt{89}+3}{8}\right)
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8x^{4}+x^{2}-10-7x^{2}
Combine -4x^{4} and 12x^{4} to get 8x^{4}.
8x^{4}-6x^{2}-10
Combine x^{2} and -7x^{2} to get -6x^{2}.
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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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}