Evaluate
\left(3a+8\right)^{2}
Expand
9a^{2}+48a+64
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\left(3a+8\right)^{2}
Multiply 3a+8 and 3a+8 to get \left(3a+8\right)^{2}.
9a^{2}+48a+64
Use binomial theorem \left(p+q\right)^{2}=p^{2}+2pq+q^{2} to expand \left(3a+8\right)^{2}.
\left(3a+8\right)^{2}
Multiply 3a+8 and 3a+8 to get \left(3a+8\right)^{2}.
9a^{2}+48a+64
Use binomial theorem \left(p+q\right)^{2}=p^{2}+2pq+q^{2} to expand \left(3a+8\right)^{2}.
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