2x^2+2y^2-9=0

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Solution for 2x^2+2y^2-9=0 equation:


Simplifying
2x2 + 2y2 + -9 = 0

Reorder the terms:
-9 + 2x2 + 2y2 = 0

Solving
-9 + 2x2 + 2y2 = 0

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 2x2 + 9 + 2y2 = 0 + 9

Reorder the terms:
-9 + 9 + 2x2 + 2y2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 2x2 + 2y2 = 0 + 9
2x2 + 2y2 = 0 + 9

Combine like terms: 0 + 9 = 9
2x2 + 2y2 = 9

Add '-2y2' to each side of the equation.
2x2 + 2y2 + -2y2 = 9 + -2y2

Combine like terms: 2y2 + -2y2 = 0
2x2 + 0 = 9 + -2y2
2x2 = 9 + -2y2

Divide each side by '2'.
x2 = 4.5 + -1y2

Simplifying
x2 = 4.5 + -1y2

Reorder the terms:
-4.5 + x2 + y2 = 4.5 + -1y2 + -4.5 + y2

Reorder the terms:
-4.5 + x2 + y2 = 4.5 + -4.5 + -1y2 + y2

Combine like terms: 4.5 + -4.5 = 0.0
-4.5 + x2 + y2 = 0.0 + -1y2 + y2
-4.5 + x2 + y2 = -1y2 + y2

Combine like terms: -1y2 + y2 = 0
-4.5 + x2 + y2 = 0

The solution to this equation could not be determined.

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