-18=x^2+5x-1

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Solution for -18=x^2+5x-1 equation: 



-18=x^2+5x-1

We move all terms to the left:

-18-(x^2+5x-1)=0

We get rid of parentheses

-x^2-5x+1-18=0

We add all the numbers together, and all the variables

-1x^2-5x-17=0

a = -1; b = -5; c = -17;
Δ = b2-4ac
Δ = -52-4·(-1)·(-17)
Δ = -43
Delta is less than zero, so there is no solution for the equation

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