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-60x^2+1200x=8000
We move all terms to the left:
-60x^2+1200x-(8000)=0
a = -60; b = 1200; c = -8000;
Δ = b2-4ac
Δ = 12002-4·(-60)·(-8000)
Δ = -480000
Delta is less than zero, so there is no solution for the equation
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