x^2 %2B 8*x %2B 16 – InterviewSolution

1.

x^2 %2B 8*x %2B 16

Answer»

x²+8x+16x²+4x+4x+16x(x+4)+4(x+4)(x+4)(x+4)

X= -b +_ √ b^2 - 4ac ________________ 2aX= -8 +_√64-4(16) ______________ 2X= - 4(X+4)(X + 4)

(x+4)(x+4) is the best answer of the following

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