Evaluate
4\left(3x+5y\right)^{2}
Expand
36x^{2}+120xy+100y^{2}
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36x^{2}+120xy+100y^{2}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(6x+10y\right)^{2}.
36x^{2}+120xy+100y^{2}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(6x+10y\right)^{2}.
Examples
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