Expand
9c^{2}+6c+1
Evaluate
\left(3c+1\right)^{2}
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9c^{2}+6c+1
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(3c+1\right)^{2}.
9c^{2}+6c+1
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(3c+1\right)^{2}.
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