Evaluate
\left(5m+2n\right)^{2}
Expand
25m^{2}+20mn+4n^{2}
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25m^{2}+20mn+4n^{2}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(5m+2n\right)^{2}.
25m^{2}+20mn+4n^{2}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(5m+2n\right)^{2}.
Examples
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