Expand
9x^{2}+12x+8
Evaluate
\left(3x+2\right)^{2}+4
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9x^{2}+12x+4+4
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(3x+2\right)^{2}.
9x^{2}+12x+8
Add 4 and 4 to get 8.
9x^{2}+12x+4+4
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(3x+2\right)^{2}.
9x^{2}+12x+8
Add 4 and 4 to get 8.
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