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4\left(x^{2}+8x+16\right)-11
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+4\right)^{2}.
4x^{2}+32x+64-11
Use the distributive property to multiply 4 by x^{2}+8x+16.
4x^{2}+32x+53
Subtract 11 from 64 to get 53.
4\left(x^{2}+8x+16\right)-11
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+4\right)^{2}.
4x^{2}+32x+64-11
Use the distributive property to multiply 4 by x^{2}+8x+16.
4x^{2}+32x+53
Subtract 11 from 64 to get 53.