3(x+3)2-40=80

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Solution for 3(x+3)2-40=80 equation: 



3(x+3)2-40=80

We move all terms to the left:

3(x+3)2-40-(80)=0

We add all the numbers together, and all the variables

3(x+3)2-120=0

We multiply parentheses

6x+18-120=0

We add all the numbers together, and all the variables

6x-102=0

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

6x=102

x=102/6

x=17

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