x^2+4+x^2=7

Solution for x^2+4+x^2=7 equation:

Simplifying
x2 + 4 + x2 = 7

Reorder the terms:
4 + x2 + x2 = 7

Combine like terms: x2 + x2 = 2x2
4 + 2x2 = 7

Solving
4 + 2x2 = 7

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 = 7 + -4

Combine like terms: 4 + -4 = 0
0 + 2x2 = 7 + -4
2x2 = 7 + -4

Combine like terms: 7 + -4 = 3
2x2 = 3

Divide each side by '2'.
x2 = 1.5

Simplifying
x2 = 1.5

Take the square root of each side:
x = {-1.224744871, 1.224744871}