H(x)=(x-1)2

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Solution for H(x)=(x-1)2 equation: 



(H)=(H-1)2

We move all terms to the left:

(H)-((H-1)2)=0



We calculate terms in parentheses: -((H-1)2), so:

(H-1)2

We multiply parentheses

2H-2

Back to the equation:

-(2H-2)



We get rid of parentheses

H-2H+2=0

We add all the numbers together, and all the variables

-1H+2=0

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

-H=-2

H=-2/-1

H=+2

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