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0=120h^2+100h+100
We move all terms to the left:
0-(120h^2+100h+100)=0
We add all the numbers together, and all the variables
-(120h^2+100h+100)=0
We get rid of parentheses
-120h^2-100h-100=0
a = -120; b = -100; c = -100;
Δ = b2-4ac
Δ = -1002-4·(-120)·(-100)
Δ = -38000
Delta is less than zero, so there is no solution for the equation
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