28-4x=-4x(3x+1)

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Solution for 28-4x=-4x(3x+1) equation: 



28-4x=-4x(3x+1)

We move all terms to the left:

28-4x-(-4x(3x+1))=0



We calculate terms in parentheses: -(-4x(3x+1)), so:

-4x(3x+1)

We multiply parentheses

-12x^2-4x

Back to the equation:

-(-12x^2-4x)



We get rid of parentheses

12x^2+4x-4x+28=0

We add all the numbers together, and all the variables

12x^2+28=0

a = 12; b = 0; c = +28;
Δ = b2-4ac
Δ = 02-4·12·28
Δ = -1344
Delta is less than zero, so there is no solution for the equation

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