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=10C^2+500
We move all terms to the left:
-(10C^2+500)=0
We get rid of parentheses
-10C^2-500=0
a = -10; b = 0; c = -500;
Δ = b2-4ac
Δ = 02-4·(-10)·(-500)
Δ = -20000
Delta is less than zero, so there is no solution for the equation
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