2a^2-242=0

Solution for 2a^2-242=0 equation:

Simplifying
2a2 + -242 = 0

Reorder the terms:
-242 + 2a2 = 0

Solving
-242 + 2a2 = 0

Solving for variable 'a'.

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

Add '242' to each side of the equation.
-242 + 242 + 2a2 = 0 + 242

Combine like terms: -242 + 242 = 0
0 + 2a2 = 0 + 242
2a2 = 0 + 242

Combine like terms: 0 + 242 = 242
2a2 = 242

Divide each side by '2'.
a2 = 121

Simplifying
a2 = 121

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