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(H)=-4.9^2H+2H+500
We move all terms to the left:
(H)-(-4.9^2H+2H+500)=0
We get rid of parentheses
H+4.9^2H-2H-500=0
We add all the numbers together, and all the variables
-1H+4.9^2H-500=0
We move all terms containing H to the left, all other terms to the right
-1H+4.9^2H=500
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