x^2+x^2+2=22+x^2

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Solution for x^2+x^2+2=22+x^2 equation: 


Simplifying
x2 + x2 + 2 = 22 + x2

Reorder the terms:
2 + x2 + x2 = 22 + x2

Combine like terms: x2 + x2 = 2x2
2 + 2x2 = 22 + x2

Solving
2 + 2x2 = 22 + x2

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 + 2x2 + -1x2 = 22 + x2 + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
2 + 1x2 = 22 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
2 + 1x2 = 22 + 0
2 + 1x2 = 22

Add '-2' to each side of the equation.
2 + -2 + 1x2 = 22 + -2

Combine like terms: 2 + -2 = 0
0 + 1x2 = 22 + -2
1x2 = 22 + -2

Combine like terms: 22 + -2 = 20
1x2 = 20

Divide each side by '1'.
x2 = 20

Simplifying
x2 = 20

Take the square root of each side:
x = {-4.472135955, 4.472135955}

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