X*2-y^2=31

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Solution for X*2-y^2=31 equation: 



X*2-X^2=31

We move all terms to the left:

X*2-X^2-(31)=0

We add all the numbers together, and all the variables

-1X^2+X*2-31=0

Wy multiply elements

-1X^2+2X-31=0

a = -1; b = 2; c = -31;
Δ = b2-4ac
Δ = 22-4·(-1)·(-31)
Δ = -120
Delta is less than zero, so there is no solution for the equation

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