Evaluate
\frac{\left(2b+25\right)^{2}}{25}
Expand
\frac{4b^{2}}{25}+4b+25
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\frac{4}{25}b^{2}+4b+25
Use binomial theorem \left(p+q\right)^{2}=p^{2}+2pq+q^{2} to expand \left(\frac{2}{5}b+5\right)^{2}.
\frac{4}{25}b^{2}+4b+25
Use binomial theorem \left(p+q\right)^{2}=p^{2}+2pq+q^{2} to expand \left(\frac{2}{5}b+5\right)^{2}.
Examples
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