Evaluate
\left(2a+9\right)^{3}
Expand
8a^{3}+108a^{2}+486a+729
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8a^{3}+108a^{2}+486a+729
Use binomial theorem \left(p+q\right)^{3}=p^{3}+3p^{2}q+3pq^{2}+q^{3} to expand \left(2a+9\right)^{3}.
8a^{3}+108a^{2}+486a+729
Use binomial theorem \left(p+q\right)^{3}=p^{3}+3p^{2}q+3pq^{2}+q^{3} to expand \left(2a+9\right)^{3}.
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