C=x^2-5x+30

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Solution for C=x^2-5x+30 equation: 



=C^2-5C+30

We move all terms to the left:

-(C^2-5C+30)=0

We get rid of parentheses

-C^2+5C-30=0

We add all the numbers together, and all the variables

-1C^2+5C-30=0

a = -1; b = 5; c = -30;
Δ = b2-4ac
Δ = 52-4·(-1)·(-30)
Δ = -95
Delta is less than zero, so there is no solution for the equation

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