4x^2+4y^2-72=0

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Solution for 4x^2+4y^2-72=0 equation:


Simplifying
4x2 + 4y2 + -72 = 0

Reorder the terms:
-72 + 4x2 + 4y2 = 0

Solving
-72 + 4x2 + 4y2 = 0

Solving for variable 'x'.

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

Add '72' to each side of the equation.
-72 + 4x2 + 72 + 4y2 = 0 + 72

Reorder the terms:
-72 + 72 + 4x2 + 4y2 = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 4x2 + 4y2 = 0 + 72
4x2 + 4y2 = 0 + 72

Combine like terms: 0 + 72 = 72
4x2 + 4y2 = 72

Add '-4y2' to each side of the equation.
4x2 + 4y2 + -4y2 = 72 + -4y2

Combine like terms: 4y2 + -4y2 = 0
4x2 + 0 = 72 + -4y2
4x2 = 72 + -4y2

Divide each side by '4'.
x2 = 18 + -1y2

Simplifying
x2 = 18 + -1y2

Reorder the terms:
-18 + x2 + y2 = 18 + -1y2 + -18 + y2

Reorder the terms:
-18 + x2 + y2 = 18 + -18 + -1y2 + y2

Combine like terms: 18 + -18 = 0
-18 + x2 + y2 = 0 + -1y2 + y2
-18 + x2 + y2 = -1y2 + y2

Combine like terms: -1y2 + y2 = 0
-18 + x2 + y2 = 0

The solution to this equation could not be determined.

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