x^2 %2B 8*x %2B 9 – InterviewSolution

1.

x^2 %2B 8*x %2B 9

Answer»

x×x+6×x+9 =×+×+×+9+6=×3+16

7xsq + 9 is the answer

X xX + 6X+9= X×X+3X + 3X +9. = X(X+3)+3(X+3) = (X+3)(X+3)

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