Evaluate
x\left(7x^{2}-4\right)
Factor
x\left(7x^{2}-4\right)
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7x^{3}+x-5x
Combine 4x^{3} and 3x^{3} to get 7x^{3}.
7x^{3}-4x
Combine x and -5x to get -4x.
x\left(7x^{2}-4\right)
Factor out x. Polynomial 7x^{2}-4 is not factored since it does not have any rational roots.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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