2a^2-30+108=0

Solution for 2a^2-30+108=0 equation:

Simplifying
2a2 + -30 + 108 = 0

Reorder the terms:
-30 + 108 + 2a2 = 0

Combine like terms: -30 + 108 = 78
78 + 2a2 = 0

Solving
78 + 2a2 = 0

Solving for variable 'a'.

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

Add '-78' to each side of the equation.
78 + -78 + 2a2 = 0 + -78

Combine like terms: 78 + -78 = 0
0 + 2a2 = 0 + -78
2a2 = 0 + -78

Combine like terms: 0 + -78 = -78
2a2 = -78

Divide each side by '2'.
a2 = -39

Simplifying
a2 = -39

Reorder the terms:
39 + a2 = -39 + 39

Combine like terms: -39 + 39 = 0
39 + a2 = 0

The solution to this equation could not be determined.