Expand
121n^{2}-22ns+s^{2}
Evaluate
\left(s-11n\right)^{2}
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s^{2}-22sn+121n^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(s-11n\right)^{2}.
s^{2}-22sn+121n^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(s-11n\right)^{2}.
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