X+2/y-1=2

Solution for X+2/y-1=2 equation:

X+2/X-1=2

We move all terms to the left:

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


Domain of the equation: X!=0

X∈R


We add all the numbers together, and all the variables

X+2/X-3=0

We multiply all the terms by the denominator


X*X-3*X+2=0

We add all the numbers together, and all the variables

-3X+X*X+2=0

Wy multiply elements

X^2-3X+2=0

a = 1; b = -3; c = +2;
Δ = b2-4ac
Δ = -32-4·1·2
Δ = 1
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1}=1$
$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-3)-1}{2*1}=\frac{2}{2}
=1
$
$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-3)+1}{2*1}=\frac{4}{2}
=2
$