Evaluate
4\left(3-a\right)a^{2}
Factor
4\left(3-a\right)a^{2}
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12a^{2}-a^{3}\times 4
Multiply 2 and 6 to get 12.
12a^{2}-4a^{3}
Multiply -1 and 4 to get -4.
4\left(3a^{2}-a^{3}\right)
Factor out 4.
a^{2}\left(3-a\right)
Consider 3a^{2}-a^{3}. Factor out a^{2}.
4a^{2}\left(-a+3\right)
Rewrite the complete factored expression.
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
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