Evaluate
\left(x+6\right)^{2}-5
Expand
x^{2}+12x+31
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x^{2}+12x+36-5
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+6\right)^{2}.
x^{2}+12x+31
Subtract 5 from 36 to get 31.
x^{2}+12x+36-5
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+6\right)^{2}.
x^{2}+12x+31
Subtract 5 from 36 to get 31.
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