Expand
64-240a+300a^{2}-125a^{3}
Evaluate
\left(4-5a\right)^{3}
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64-240a+300a^{2}-125a^{3}
Use binomial theorem \left(p-q\right)^{3}=p^{3}-3p^{2}q+3pq^{2}-q^{3} to expand \left(4-5a\right)^{3}.
64-240a+300a^{2}-125a^{3}
Use binomial theorem \left(p-q\right)^{3}=p^{3}-3p^{2}q+3pq^{2}-q^{3} to expand \left(4-5a\right)^{3}.
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