Evaluate
\left(x+6\right)\left(x+10\right)
Expand
x^{2}+16x+60
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x^{2}+16x+64-4
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+8\right)^{2}.
x^{2}+16x+60
Subtract 4 from 64 to get 60.
x^{2}+16x+64-4
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+8\right)^{2}.
x^{2}+16x+60
Subtract 4 from 64 to get 60.
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