2=x^2+y^2

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Solution for 2=x^2+y^2 equation:


Simplifying
2 = x2 + y2

Solving
2 = x2 + y2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
2 + -1x2 = x2 + -1x2 + y2

Combine like terms: x2 + -1x2 = 0
2 + -1x2 = 0 + y2
2 + -1x2 = y2

Add '-2' to each side of the equation.
2 + -2 + -1x2 = -2 + y2

Combine like terms: 2 + -2 = 0
0 + -1x2 = -2 + y2
-1x2 = -2 + y2

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

Simplifying
x2 = 2 + -1y2

Reorder the terms:
-2 + x2 + y2 = 2 + -1y2 + -2 + y2

Reorder the terms:
-2 + x2 + y2 = 2 + -2 + -1y2 + y2

Combine like terms: 2 + -2 = 0
-2 + x2 + y2 = 0 + -1y2 + y2
-2 + x2 + y2 = -1y2 + y2

Combine like terms: -1y2 + y2 = 0
-2 + x2 + y2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {y, y}

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