Question

x2+2x+1=0 in squre method


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Answer 1

Answer:

your question is putting in the formula (a+b)=a^2+b^2+2ab

and the answer of ur question is (x+1)^2=x^2+1^2+2×x×1

=x^2+1×1+2x

x^2+1+2x.

or. x^2+2x+1

hope it will help you and most important thing (^)this which is in bracket means =to the power