(3x+5)2+5=21

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Solution for (3x+5)2+5=21 equation: 



(3x+5)2+5=21

We move all terms to the left:

(3x+5)2+5-(21)=0

We add all the numbers together, and all the variables

(3x+5)2-16=0

We multiply parentheses

6x+10-16=0

We add all the numbers together, and all the variables

6x-6=0

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

6x=6

x=6/6

x=1

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