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(x+3)^2-x-3=(x+3)(x+2)
We move all terms to the left:
(x+3)^2-x-3-((x+3)(x+2))=0
We add all the numbers together, and all the variables
-1x+(x+3)^2-((x+3)(x+2))-3=0
We multiply parentheses ..
-((+x^2+2x+3x+6))-1x+(x+3)^2-3=0
We calculate terms in parentheses: -((+x^2+2x+3x+6)), so:We add all the numbers together, and all the variables
(+x^2+2x+3x+6)
We get rid of parentheses
x^2+2x+3x+6
We add all the numbers together, and all the variables
x^2+5x+6
Back to the equation:
-(x^2+5x+6)
-1x-(x^2+5x+6)+(x+3)^2-3=0
We get rid of parentheses
-x^2-1x-5x+(x+3)^2-6-3=0
We add all the numbers together, and all the variables
-1x^2-6x+(x+3)^2-9=0
We move all terms containing x to the left, all other terms to the right
-1x^2-6x+(x+3)^2=9
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