81y^2-9x^2=729

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Solution for 81y^2-9x^2=729 equation:


Simplifying
81y2 + -9x2 = 729

Reorder the terms:
-9x2 + 81y2 = 729

Solving
-9x2 + 81y2 = 729

Solving for variable 'x'.

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

Add '-81y2' to each side of the equation.
-9x2 + 81y2 + -81y2 = 729 + -81y2

Combine like terms: 81y2 + -81y2 = 0
-9x2 + 0 = 729 + -81y2
-9x2 = 729 + -81y2

Divide each side by '-9'.
x2 = -81 + 9y2

Simplifying
x2 = -81 + 9y2

Reorder the terms:
81 + x2 + -9y2 = -81 + 9y2 + 81 + -9y2

Reorder the terms:
81 + x2 + -9y2 = -81 + 81 + 9y2 + -9y2

Combine like terms: -81 + 81 = 0
81 + x2 + -9y2 = 0 + 9y2 + -9y2
81 + x2 + -9y2 = 9y2 + -9y2

Combine like terms: 9y2 + -9y2 = 0
81 + x2 + -9y2 = 0

The solution to this equation could not be determined.

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