3.5=x^2

Solution for 3.5=x^2 equation:

Simplifying
3.5 = x2

Solving
3.5 = x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
3.5 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
3.5 + -1x2 = 0

Add '-3.5' to each side of the equation.
3.5 + -3.5 + -1x2 = 0 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -1x2 = 0 + -3.5
-1x2 = 0 + -3.5

Combine like terms: 0 + -3.5 = -3.5
-1x2 = -3.5

Divide each side by '-1'.
x2 = 3.5

Simplifying
x2 = 3.5

Take the square root of each side:
x = {-1.870828693, 1.870828693}