Factor
\frac{\left(x-4\right)^{2}}{2}
Evaluate
\frac{\left(x-4\right)^{2}}{2}
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\frac{16-8x+x^{2}}{2}
Factor out \frac{1}{2}.
\left(x-4\right)^{2}
Consider 16-8x+x^{2}. Use the perfect square formula, a^{2}-2ab+b^{2}=\left(a-b\right)^{2}, where a=x and b=4.
\frac{\left(x-4\right)^{2}}{2}
Rewrite the complete factored expression.
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