2y^2-30=0

Solution for 2y^2-30=0 equation:

Simplifying
2y2 + -30 = 0

Reorder the terms:
-30 + 2y2 = 0

Solving
-30 + 2y2 = 0

Solving for variable 'y'.

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

Add '30' to each side of the equation.
-30 + 30 + 2y2 = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 2y2 = 0 + 30
2y2 = 0 + 30

Combine like terms: 0 + 30 = 30
2y2 = 30

Divide each side by '2'.
y2 = 15

Simplifying
y2 = 15

Take the square root of each side:
y = {-3.872983346, 3.872983346}