(3x+7)2+2(3x+7)-15=0

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Solution for (3x+7)2+2(3x+7)-15=0 equation: 



(3x+7)2+2(3x+7)-15=0

We multiply parentheses

6x+6x+14+14-15=0

We add all the numbers together, and all the variables

12x+13=0

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

12x=-13

x=-13/12

x=-1+1/12

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