Evaluate
\left(6x+7\right)^{2}
Expand
36x^{2}+84x+49
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\left(6x+7\right)^{2}
Multiply 6x+7 and 6x+7 to get \left(6x+7\right)^{2}.
36x^{2}+84x+49
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(6x+7\right)^{2}.
\left(6x+7\right)^{2}
Multiply 6x+7 and 6x+7 to get \left(6x+7\right)^{2}.
36x^{2}+84x+49
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(6x+7\right)^{2}.
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