8a^2-1=127

Solution for 8a^2-1=127 equation:

Simplifying
8a2 + -1 = 127

Reorder the terms:
-1 + 8a2 = 127

Solving
-1 + 8a2 = 127

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + 8a2 = 127 + 1

Combine like terms: -1 + 1 = 0
0 + 8a2 = 127 + 1
8a2 = 127 + 1

Combine like terms: 127 + 1 = 128
8a2 = 128

Divide each side by '8'.
a2 = 16

Simplifying
a2 = 16

Take the square root of each side:
a = {-4, 4}