3x+15-9=2(x+)2

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Solution for 3x+15-9=2(x+)2 equation: 



3x+15-9=2(x+)2

We move all terms to the left:

3x+15-9-(2(x+)2)=0

We add all the numbers together, and all the variables

3x-(2(+x)2)+15-9=0

We add all the numbers together, and all the variables

3x-(2(+x)2)+6=0



We calculate terms in parentheses: -(2(+x)2), so:

2(+x)2

We multiply parentheses

4x

Back to the equation:

-(4x)



We add all the numbers together, and all the variables

-1x+6=0

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

-x=-6

x=-6/-1

x=+6

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