25x^2-25+9=0

Solution for 25x^2-25+9=0 equation:

Simplifying
25x2 + -25 + 9 = 0

Reorder the terms:
-25 + 9 + 25x2 = 0

Combine like terms: -25 + 9 = -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}