2X(a+2)-4(a-1)=0

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Solution for 2X(a+2)-4(a-1)=0 equation: 



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

We multiply parentheses

2X^2+4X-4X+4=0

We add all the numbers together, and all the variables

2X^2+4=0

a = 2; b = 0; c = +4;
Δ = b2-4ac
Δ = 02-4·2·4
Δ = -32
Delta is less than zero, so there is no solution for the equation

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