25a^2-18=0

Solution for 25a^2-18=0 equation:

Simplifying
25a2 + -18 = 0

Reorder the terms:
-18 + 25a2 = 0

Solving
-18 + 25a2 = 0

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + 25a2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 25a2 = 0 + 18
25a2 = 0 + 18

Combine like terms: 0 + 18 = 18
25a2 = 18

Divide each side by '25'.
a2 = 0.72

Simplifying
a2 = 0.72

Take the square root of each side:
a = {-0.848528137, 0.848528137}