Expand
a^{2}+2ab-8a+b^{2}-8b+16
Evaluate
\left(a+b-4\right)^{2}
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a^{2}+2ab-8a+b^{2}-8b+16
Square a+b-4.
a^{2}+2ab-8a+b^{2}-8b+16
Square a+b-4.
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