Factor
\left(4x+3\right)\left(x^{2}-5\right)
Evaluate
\left(4x+3\right)\left(x^{2}-5\right)
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x^{2}\left(4x+3\right)-5\left(4x+3\right)
Do the grouping 4x^{3}+3x^{2}-20x-15=\left(4x^{3}+3x^{2}\right)+\left(-20x-15\right), and factor out x^{2} in the first and -5 in the second group.
\left(4x+3\right)\left(x^{2}-5\right)
Factor out common term 4x+3 by using distributive property. Polynomial x^{2}-5 is not factored since it does not have any rational roots.
Examples
Quadratic equation
{ 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
\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
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Limits
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