X^2+x^2=8

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Solution for X^2+x^2=8 equation: 


Simplifying
X2 + x2 = 8

Solving
X2 + x2 = 8

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.
X2 + x2 + -1x2 = 8 + -1x2

Combine like terms: x2 + -1x2 = 0
X2 + 0 = 8 + -1x2
X2 = 8 + -1x2

Simplifying
X2 = 8 + -1x2

Reorder the terms:
-8 + X2 + x2 = 8 + -1x2 + -8 + x2

Reorder the terms:
-8 + X2 + x2 = 8 + -8 + -1x2 + x2

Combine like terms: 8 + -8 = 0
-8 + X2 + x2 = 0 + -1x2 + x2
-8 + X2 + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-8 + X2 + x2 = 0

The solution to this equation could not be determined.

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