X^2+y^2-2X+4y=-5

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Solution for X^2+y^2-2X+4y=-5 equation: 



X^2+X^2-2X+4X=-5

We move all terms to the left:

X^2+X^2-2X+4X-(-5)=0

We add all the numbers together, and all the variables

2X^2+2X+5=0

a = 2; b = 2; c = +5;
Δ = b2-4ac
Δ = 22-4·2·5
Δ = -36
Delta is less than zero, so there is no solution for the equation

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