C=x^2-40x+560

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Solution for C=x^2-40x+560 equation: 



=C^2-40C+560

We move all terms to the left:

-(C^2-40C+560)=0

We get rid of parentheses

-C^2+40C-560=0

We add all the numbers together, and all the variables

-1C^2+40C-560=0

a = -1; b = 40; c = -560;
Δ = b2-4ac
Δ = 402-4·(-1)·(-560)
Δ = -640
Delta is less than zero, so there is no solution for the equation

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