Expand
125t^{3}+525t^{2}+735t+343
Evaluate
\left(5t+7\right)^{3}
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125t^{3}+525t^{2}+735t+343
Use binomial theorem \left(a+b\right)^{3}=a^{3}+3a^{2}b+3ab^{2}+b^{3} to expand \left(5t+7\right)^{3}.
125t^{3}+525t^{2}+735t+343
Use binomial theorem \left(a+b\right)^{3}=a^{3}+3a^{2}b+3ab^{2}+b^{3} to expand \left(5t+7\right)^{3}.
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