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

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



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

We move all terms to the left:

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

We multiply parentheses

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



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

2(x-1)

We multiply parentheses

2x-2

Back to the equation:

-(2x-2)



We get rid of parentheses

2x^2+2x-2x+2-1=0

We add all the numbers together, and all the variables

2x^2+1=0

a = 2; b = 0; c = +1;
Δ = b2-4ac
Δ = 02-4·2·1
Δ = -8
Delta is less than zero, so there is no solution for the equation

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