X^2+3x-5,x=-7

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Solution for X^2+3x-5,x=-7 equation: 



X^2+3X-5.X=-7

We move all terms to the left:

X^2+3X-5.X-(-7)=0

We add all the numbers together, and all the variables

X^2-2X+7=0

a = 1; b = -2; c = +7;
Δ = b2-4ac
Δ = -22-4·1·7
Δ = -24
Delta is less than zero, so there is no solution for the equation

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