2x-x(x-2)=12

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Solution for 2x-x(x-2)=12 equation: 



2x-x(x-2)=12

We move all terms to the left:

2x-x(x-2)-(12)=0

We multiply parentheses

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

We add all the numbers together, and all the variables

-1x^2+4x-12=0

a = -1; b = 4; c = -12;
Δ = b2-4ac
Δ = 42-4·(-1)·(-12)
Δ = -32
Delta is less than zero, so there is no solution for the equation

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