Expand
25w^{2}+90w+81
Evaluate
\left(5w+9\right)^{2}
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25w^{2}+90w+81
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(5w+9\right)^{2}.
25w^{2}+90w+81
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(5w+9\right)^{2}.
Examples
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Matrix
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