-x2=5x+8

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Solution for -x2=5x+8 equation: 



-x2=5x+8

We move all terms to the left:

-x2-(5x+8)=0

We add all the numbers together, and all the variables

-1x^2-(5x+8)=0

We get rid of parentheses

-1x^2-5x-8=0

a = -1; b = -5; c = -8;
Δ = b2-4ac
Δ = -52-4·(-1)·(-8)
Δ = -7
Delta is less than zero, so there is no solution for the equation

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