67.24=0.25x*x

Solution for 67.24=0.25x*x equation:

Simplifying
67.24 = 0.25x * x

Multiply x * x
67.24 = 0.25x2

Solving
67.24 = 0.25x2

Solving for variable 'x'.

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

Add '-0.25x2' to each side of the equation.
67.24 + -0.25x2 = 0.25x2 + -0.25x2

Combine like terms: 0.25x2 + -0.25x2 = 0.00
67.24 + -0.25x2 = 0.00

Add '-67.24' to each side of the equation.
67.24 + -67.24 + -0.25x2 = 0.00 + -67.24

Combine like terms: 67.24 + -67.24 = 0.00
0.00 + -0.25x2 = 0.00 + -67.24
-0.25x2 = 0.00 + -67.24

Combine like terms: 0.00 + -67.24 = -67.24
-0.25x2 = -67.24

Divide each side by '-0.25'.
x2 = 268.96

Simplifying
x2 = 268.96

Take the square root of each side:
x = {-16.4, 16.4}