Answer:
x^2+2x+1=0
x^2+(1+1)X+1=0
x^2+X+X+1=0
X(X+1)+1(X+1)=0
(X+1)(X+1)=0
X=-1,X=-1
hope it helps :)
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Hey mate
kindly see attached picture:)
hope it helped you ☺️
