X^2-3y^2=15

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Solution for X^2-3y^2=15 equation: 


Simplifying
X2 + -3y2 = 15

Solving
X2 + -3y2 = 15

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '3y2' to each side of the equation.
X2 + -3y2 + 3y2 = 15 + 3y2

Combine like terms: -3y2 + 3y2 = 0
X2 + 0 = 15 + 3y2
X2 = 15 + 3y2

Simplifying
X2 = 15 + 3y2

Reorder the terms:
-15 + X2 + -3y2 = 15 + 3y2 + -15 + -3y2

Reorder the terms:
-15 + X2 + -3y2 = 15 + -15 + 3y2 + -3y2

Combine like terms: 15 + -15 = 0
-15 + X2 + -3y2 = 0 + 3y2 + -3y2
-15 + X2 + -3y2 = 3y2 + -3y2

Combine like terms: 3y2 + -3y2 = 0
-15 + X2 + -3y2 = 0

The solution to this equation could not be determined.

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