y^2=4-4x^2

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Solution for y^2=4-4x^2 equation:


Simplifying
y2 = 4 + -4x2

Solving
y2 = 4 + -4x2

Solving for variable 'y'.

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

Simplifying
y2 = 4 + -4x2

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

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

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

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

Factor a trinomial.
(2x + -1y)(2x + -1y) = 0

Subproblem 1

Set the factor '(2x + -1y)' equal to zero and attempt to solve: Simplifying 2x + -1y = 0 Solving 2x + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-2x' to each side of the equation. 2x + -2x + -1y = 0 + -2x Combine like terms: 2x + -2x = 0 0 + -1y = 0 + -2x -1y = 0 + -2x Remove the zero: -1y = -2x Divide each side by '-1'. y = 2x Simplifying y = 2x

Subproblem 2

Set the factor '(2x + -1y)' equal to zero and attempt to solve: Simplifying 2x + -1y = 0 Solving 2x + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-2x' to each side of the equation. 2x + -2x + -1y = 0 + -2x Combine like terms: 2x + -2x = 0 0 + -1y = 0 + -2x -1y = 0 + -2x Remove the zero: -1y = -2x Divide each side by '-1'. y = 2x Simplifying y = 2x

Solution

y = {2x, 2x}

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