x^2+4+x^2=74

Solution for x^2+4+x^2=74 equation:

Simplifying
x2 + 4 + x2 = 74

Reorder the terms:
4 + x2 + x2 = 74

Combine like terms: x2 + x2 = 2x2
4 + 2x2 = 74

Solving
4 + 2x2 = 74

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 = 74 + -4

Combine like terms: 4 + -4 = 0
0 + 2x2 = 74 + -4
2x2 = 74 + -4

Combine like terms: 74 + -4 = 70
2x2 = 70

Divide each side by '2'.
x2 = 35

Simplifying
x2 = 35

Take the square root of each side:
x = {-5.916079783, 5.916079783}