X2 + 2x + 1. Step by step explanation. If = -1 – InterviewSolution

1.

X2 + 2x + 1. Step by step explanation. If = -1

Answer»

-1

Step-by-step EXPLANATION:

x2+2x+1=0

x2+x+x+1=0

x(x+1)+1(x+1)=0

(x+1)(x+1)=0

x=-1

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