Evaluate
\left(2e-3b\right)^{2}
Expand
9b^{2}-12eb+4e^{2}
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4e^{2}-12eb+9b^{2}
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(2e-3b\right)^{2}.
4e^{2}-12eb+9b^{2}
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(2e-3b\right)^{2}.
Examples
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