Evaluate
\left(6x+13\right)^{2}
Expand
36x^{2}+156x+169
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169+156x+36x^{2}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(13+6x\right)^{2}.
169+156x+36x^{2}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(13+6x\right)^{2}.
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