Factor
y\left(y-4\right)^{2}
Evaluate
y\left(y-4\right)^{2}
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y\left(y^{2}-8y+16\right)
Factor out y.
\left(y-4\right)^{2}
Consider y^{2}-8y+16. Use the perfect square formula, a^{2}-2ab+b^{2}=\left(a-b\right)^{2}, where a=y and b=4.
y\left(y-4\right)^{2}
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
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
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Limits
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