X^2+X^2+4=130

Solution for X^2+X^2+4=130 equation:

Simplifying
X2 + X2 + 4 = 130

Reorder the terms:
4 + X2 + X2 = 130

Combine like terms: X2 + X2 = 2X2
4 + 2X2 = 130

Solving
4 + 2X2 = 130

Solving for variable 'X'.

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

Add '-4' to each side of the equation.
4 + -4 + 2X2 = 130 + -4

Combine like terms: 4 + -4 = 0
0 + 2X2 = 130 + -4
2X2 = 130 + -4

Combine like terms: 130 + -4 = 126
2X2 = 126

Divide each side by '2'.
X2 = 63

Simplifying
X2 = 63

Take the square root of each side:
X = {-7.937253933, 7.937253933}