Expand
n^{2}+14n+65
Evaluate
\left(n+7\right)^{2}+16
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n^{2}+14n+49+16
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(n+7\right)^{2}.
n^{2}+14n+65
Add 49 and 16 to get 65.
n^{2}+14n+49+16
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(n+7\right)^{2}.
n^{2}+14n+65
Add 49 and 16 to get 65.
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