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

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



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

We move all terms to the left:

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

We get rid of parentheses

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



We calculate terms in parentheses: -(2x(x-1)), so:

2x(x-1)

We multiply parentheses

2x^2-2x

Back to the equation:

-(2x^2-2x)



We add all the numbers together, and all the variables

-(2x^2-2x)-4=0

We get rid of parentheses

-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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