2y^2-225=0

Solution for 2y^2-225=0 equation:

Simplifying
2y2 + -225 = 0

Reorder the terms:
-225 + 2y2 = 0

Solving
-225 + 2y2 = 0

Solving for variable 'y'.

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

Add '225' to each side of the equation.
-225 + 225 + 2y2 = 0 + 225

Combine like terms: -225 + 225 = 0
0 + 2y2 = 0 + 225
2y2 = 0 + 225

Combine like terms: 0 + 225 = 225
2y2 = 225

Divide each side by '2'.
y2 = 112.5

Simplifying
y2 = 112.5

Take the square root of each side:
y = {-10.606601718, 10.606601718}