Evaluate
\left(5x+3\right)^{2}+2
Expand
25x^{2}+30x+11
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2+25x^{2}+30x+9
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(5x+3\right)^{2}.
11+25x^{2}+30x
Add 2 and 9 to get 11.
2+25x^{2}+30x+9
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(5x+3\right)^{2}.
11+25x^{2}+30x
Add 2 and 9 to get 11.
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