2a^2-5-3=0

Solution for 2a^2-5-3=0 equation:

Simplifying
2a2 + -5 + -3 = 0

Reorder the terms:
-5 + -3 + 2a2 = 0

Combine like terms: -5 + -3 = -8
-8 + 2a2 = 0

Solving
-8 + 2a2 = 0

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 2a2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 2a2 = 0 + 8
2a2 = 0 + 8

Combine like terms: 0 + 8 = 8
2a2 = 8

Divide each side by '2'.
a2 = 4

Simplifying
a2 = 4

Take the square root of each side:
a = {-2, 2}