x^2+8.8-72.25=0

Solution for x^2+8.8-72.25=0 equation:

Simplifying
x2 + 8.8 + -72.25 = 0

Reorder the terms:
8.8 + -72.25 + x2 = 0

Combine like terms: 8.8 + -72.25 = -63.45
-63.45 + x2 = 0

Solving
-63.45 + x2 = 0

Solving for variable 'x'.

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

Add '63.45' to each side of the equation.
-63.45 + 63.45 + x2 = 0 + 63.45

Combine like terms: -63.45 + 63.45 = 0.00
0.00 + x2 = 0 + 63.45
x2 = 0 + 63.45

Combine like terms: 0 + 63.45 = 63.45
x2 = 63.45

Simplifying
x2 = 63.45

Take the square root of each side:
x = {-7.965550828, 7.965550828}