Evaluate
\left(3x+4\right)^{2}
Expand
9x^{2}+24x+16
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\left(3x+4\right)^{2}
Combine x and 2x to get 3x.
9x^{2}+24x+16
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(3x+4\right)^{2}.
\left(3x+4\right)^{2}
Combine x and 2x to get 3x.
9x^{2}+24x+16
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(3x+4\right)^{2}.
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