2y^2-242=

Solution for 2y^2-242= equation:

Simplifying
2y2 + -242 = 0

Reorder the terms:
-242 + 2y2 = 0

Solving
-242 + 2y2 = 0

Solving for variable 'y'.

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

Add '242' to each side of the equation.
-242 + 242 + 2y2 = 0 + 242

Combine like terms: -242 + 242 = 0
0 + 2y2 = 0 + 242
2y2 = 0 + 242

Combine like terms: 0 + 242 = 242
2y2 = 242

Divide each side by '2'.
y2 = 121

Simplifying
y2 = 121

Take the square root of each side:
y = {-11, 11}