X^2-2y^2=42

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Solution for X^2-2y^2=42 equation: 



X^2-2X^2=42

We move all terms to the left:

X^2-2X^2-(42)=0

We add all the numbers together, and all the variables

-1X^2-42=0

a = -1; b = 0; c = -42;
Δ = b2-4ac
Δ = 02-4·(-1)·(-42)
Δ = -168
Delta is less than zero, so there is no solution for the equation

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