25x^2-80+64=0

Solution for 25x^2-80+64=0 equation:

Simplifying
25x2 + -80 + 64 = 0

Reorder the terms:
-80 + 64 + 25x2 = 0

Combine like terms: -80 + 64 = -16
-16 + 25x2 = 0

Solving
-16 + 25x2 = 0

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 25x2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 25x2 = 0 + 16
25x2 = 0 + 16

Combine like terms: 0 + 16 = 16
25x2 = 16

Divide each side by '25'.
x2 = 0.64

Simplifying
x2 = 0.64

Take the square root of each side:
x = {-0.8, 0.8}