X2+3x=x2-6

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Solution for X2+3x=x2-6 equation: 



X2+3X=X2-6

We move all terms to the left:

X2+3X-(X2-6)=0

We add all the numbers together, and all the variables

-(+X^2-6)+X2+3X=0

We add all the numbers together, and all the variables

X^2-(+X^2-6)+3X=0

We get rid of parentheses

X^2-X^2+3X+6=0

We add all the numbers together, and all the variables

3X+6=0

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

3X=-6

X=-6/3

X=-2

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