Evaluate
\left(3a-2\right)^{2}
Expand
9a^{2}-12a+4
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\left(3a-2\right)^{2}
Multiply 3a-2 and 3a-2 to get \left(3a-2\right)^{2}.
9a^{2}-12a+4
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(3a-2\right)^{2}.
\left(3a-2\right)^{2}
Multiply 3a-2 and 3a-2 to get \left(3a-2\right)^{2}.
9a^{2}-12a+4
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(3a-2\right)^{2}.
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