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

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Solution for 4(x-1)-2x(x+3)=0 equation: 



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

We multiply parentheses

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

We add all the numbers together, and all the variables

-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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