(y+9)2=4

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Solution for (y+9)2=4 equation: 



(y+9)2=4

We move all terms to the left:

(y+9)2-(4)=0

We multiply parentheses

2y+18-4=0

We add all the numbers together, and all the variables

2y+14=0

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

2y=-14

y=-14/2

y=-7

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