X2+2x+1=x2-1

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Solution for X2+2x+1=x2-1 equation: 



X2+2X+1=X2-1

We move all terms to the left:

X2+2X+1-(X2-1)=0

We add all the numbers together, and all the variables

-(+X^2-1)+X2+2X+1=0

We add all the numbers together, and all the variables

X^2-(+X^2-1)+2X+1=0

We get rid of parentheses

X^2-X^2+2X+1+1=0

We add all the numbers together, and all the variables

2X+2=0

We move all terms containing X to the left, all other terms to the right

2X=-2

X=-2/2

X=-1

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