7x^2+2x=-3

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



7x^2+2x=-3

We move all terms to the left:

7x^2+2x-(-3)=0

We add all the numbers together, and all the variables

7x^2+2x+3=0

a = 7; b = 2; c = +3;
Δ = b2-4ac
Δ = 22-4·7·3
Δ = -80
Delta is less than zero, so there is no solution for the equation

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