4=(a+10)2

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Solution for 4=(a+10)2 equation: 



4=(a+10)2

We move all terms to the left:

4-((a+10)2)=0



We calculate terms in parentheses: -((a+10)2), so:

(a+10)2

We multiply parentheses

2a+20

Back to the equation:

-(2a+20)



We get rid of parentheses

-2a-20+4=0

We add all the numbers together, and all the variables

-2a-16=0

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

-2a=16

a=16/-2

a=-8

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