Evaluate
4\left(x+4\right)^{2}-2
Expand
4x^{2}+32x+62
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4x^{2}+32x+64-2
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(2x+8\right)^{2}.
4x^{2}+32x+62
Subtract 2 from 64 to get 62.
4x^{2}+32x+64-2
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(2x+8\right)^{2}.
4x^{2}+32x+62
Subtract 2 from 64 to get 62.
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