-4=2x^2+2x

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Solution for -4=2x^2+2x equation: 



-4=2x^2+2x

We move all terms to the left:

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

We get rid of parentheses

-2x^2-2x-4=0

a = -2; b = -2; c = -4;
Δ = b2-4ac
Δ = -22-4·(-2)·(-4)
Δ = -28
Delta is less than zero, so there is no solution for the equation

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