7x2+4x-5x=-2

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Solution for 7x2+4x-5x=-2 equation: 



7x^2+4x-5x=-2

We move all terms to the left:

7x^2+4x-5x-(-2)=0

We add all the numbers together, and all the variables

7x^2-1x+2=0

a = 7; b = -1; c = +2;
Δ = b2-4ac
Δ = -12-4·7·2
Δ = -55
Delta is less than zero, so there is no solution for the equation

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