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4(x+1)=-2x^2
We move all terms to the left:
4(x+1)-(-2x^2)=0
We multiply parentheses
-(-2x^2)+4x+4=0
We get rid of parentheses
2x^2+4x+4=0
a = 2; b = 4; c = +4;
Δ = b2-4ac
Δ = 42-4·2·4
Δ = -16
Delta is less than zero, so there is no solution for the equation
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