11=-4x^2-2x+9

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Solution for 11=-4x^2-2x+9 equation: 



11=-4x^2-2x+9

We move all terms to the left:

11-(-4x^2-2x+9)=0

We get rid of parentheses

4x^2+2x-9+11=0

We add all the numbers together, and all the variables

4x^2+2x+2=0

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

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