Evaluate
\left(x+4\right)\left(x^{2}+9\right)
Expand
x^{3}+4x^{2}+9x+36
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x^{3}+9x+4x^{2}+36
Use the distributive property to multiply x+4 by x^{2}+9.
x^{3}+9x+4x^{2}+36
Use the distributive property to multiply x+4 by x^{2}+9.
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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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
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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