(2)69.5+x^2=(2)102

Solution for (2)69.5+x^2=(2)102 equation:

Simplifying
(2) * 69.5 + x2 = (2) * 102

Multiply 2 * 69.5
139 + x2 = (2) * 102

Multiply 2 * 102
139 + x2 = 204

Solving
139 + x2 = 204

Solving for variable 'x'.

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

Add '-139' to each side of the equation.
139 + -139 + x2 = 204 + -139

Combine like terms: 139 + -139 = 0
0 + x2 = 204 + -139
x2 = 204 + -139

Combine like terms: 204 + -139 = 65
x2 = 65

Simplifying
x2 = 65

Take the square root of each side:
x = {-8.062257748, 8.062257748}