-2x(-2x+3)-x-1=-28

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Solution for -2x(-2x+3)-x-1=-28 equation: 



-2x(-2x+3)-x-1=-28

We move all terms to the left:

-2x(-2x+3)-x-1-(-28)=0

We add all the numbers together, and all the variables

-1x-2x(-2x+3)+27=0

We multiply parentheses

4x^2-1x-6x+27=0

We add all the numbers together, and all the variables

4x^2-7x+27=0

a = 4; b = -7; c = +27;
Δ = b2-4ac
Δ = -72-4·4·27
Δ = -383
Delta is less than zero, so there is no solution for the equation

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