Expand
81f^{2}+180f+100
Evaluate
\left(9f+10\right)^{2}
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81f^{2}+180f+100
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(9f+10\right)^{2}.
81f^{2}+180f+100
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(9f+10\right)^{2}.
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