z+4=(z-9)2

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Solution for z+4=(z-9)2 equation: 



z+4=(z-9)2

We move all terms to the left:

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



We calculate terms in parentheses: -((z-9)2), so:

(z-9)2

We multiply parentheses

2z-18

Back to the equation:

-(2z-18)



We get rid of parentheses

z-2z+18+4=0

We add all the numbers together, and all the variables

-1z+22=0

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

-z=-22

z=-22/-1

z=+22

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