2a^2+3=131

Solution for 2a^2+3=131 equation:

Simplifying
2a2 + 3 = 131

Reorder the terms:
3 + 2a2 = 131

Solving
3 + 2a2 = 131

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 2a2 = 131 + -3

Combine like terms: 3 + -3 = 0
0 + 2a2 = 131 + -3
2a2 = 131 + -3

Combine like terms: 131 + -3 = 128
2a2 = 128

Divide each side by '2'.
a2 = 64

Simplifying
a2 = 64

Take the square root of each side:
a = {-8, 8}