Y^2-x^2-81=0

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Solution for Y^2-x^2-81=0 equation:


Simplifying
Y2 + -1x2 + -81 = 0

Reorder the terms:
-81 + Y2 + -1x2 = 0

Solving
-81 + Y2 + -1x2 = 0

Solving for variable 'Y'.

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

Add '81' to each side of the equation.
-81 + Y2 + 81 + -1x2 = 0 + 81

Reorder the terms:
-81 + 81 + Y2 + -1x2 = 0 + 81

Combine like terms: -81 + 81 = 0
0 + Y2 + -1x2 = 0 + 81
Y2 + -1x2 = 0 + 81

Combine like terms: 0 + 81 = 81
Y2 + -1x2 = 81

Add 'x2' to each side of the equation.
Y2 + -1x2 + x2 = 81 + x2

Combine like terms: -1x2 + x2 = 0
Y2 + 0 = 81 + x2
Y2 = 81 + x2

Simplifying
Y2 = 81 + x2

Reorder the terms:
-81 + Y2 + -1x2 = 81 + x2 + -81 + -1x2

Reorder the terms:
-81 + Y2 + -1x2 = 81 + -81 + x2 + -1x2

Combine like terms: 81 + -81 = 0
-81 + Y2 + -1x2 = 0 + x2 + -1x2
-81 + Y2 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-81 + Y2 + -1x2 = 0

The solution to this equation could not be determined.

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