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(H)=-2^2+38H
We move all terms to the left:
(H)-(-2^2+38H)=0
We get rid of parentheses
H-38H+2^2=0
We add all the numbers together, and all the variables
-37H+4=0
We move all terms containing H to the left, all other terms to the right
-37H=-4
H=-4/-37
H=4/37
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