4x^2+4y^2-16+15=0

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Solution for 4x^2+4y^2-16+15=0 equation:


Simplifying
4x2 + 4y2 + -16 + 15 = 0

Reorder the terms:
-16 + 15 + 4x2 + 4y2 = 0

Combine like terms: -16 + 15 = -1
-1 + 4x2 + 4y2 = 0

Solving
-1 + 4x2 + 4y2 = 0

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 4x2 + 1 + 4y2 = 0 + 1

Reorder the terms:
-1 + 1 + 4x2 + 4y2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 4x2 + 4y2 = 0 + 1
4x2 + 4y2 = 0 + 1

Combine like terms: 0 + 1 = 1
4x2 + 4y2 = 1

Add '-4y2' to each side of the equation.
4x2 + 4y2 + -4y2 = 1 + -4y2

Combine like terms: 4y2 + -4y2 = 0
4x2 + 0 = 1 + -4y2
4x2 = 1 + -4y2

Divide each side by '4'.
x2 = 0.25 + -1y2

Simplifying
x2 = 0.25 + -1y2

Reorder the terms:
-0.25 + x2 + y2 = 0.25 + -1y2 + -0.25 + y2

Reorder the terms:
-0.25 + x2 + y2 = 0.25 + -0.25 + -1y2 + y2

Combine like terms: 0.25 + -0.25 = 0.00
-0.25 + x2 + y2 = 0.00 + -1y2 + y2
-0.25 + x2 + y2 = -1y2 + y2

Combine like terms: -1y2 + y2 = 0
-0.25 + x2 + y2 = 0

The solution to this equation could not be determined.

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