x^2+x^2+16=3706

Solution for x^2+x^2+16=3706 equation:

Simplifying
x2 + x2 + 16 = 3706

Reorder the terms:
16 + x2 + x2 = 3706

Combine like terms: x2 + x2 = 2x2
16 + 2x2 = 3706

Solving
16 + 2x2 = 3706

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 2x2 = 3706 + -16

Combine like terms: 16 + -16 = 0
0 + 2x2 = 3706 + -16
2x2 = 3706 + -16

Combine like terms: 3706 + -16 = 3690
2x2 = 3690

Divide each side by '2'.
x2 = 1845

Simplifying
x2 = 1845

Take the square root of each side:
x = {-42.95346319, 42.95346319}