(x+8)2=405

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Solution for (x+8)2=405 equation: 



(x+8)2=405

We move all terms to the left:

(x+8)2-(405)=0

We multiply parentheses

2x+16-405=0

We add all the numbers together, and all the variables

2x-389=0

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

2x=389

x=389/2

x=194+1/2

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