8b^2-6=386

Solution for 8b^2-6=386 equation:

Simplifying
8b2 + -6 = 386

Reorder the terms:
-6 + 8b2 = 386

Solving
-6 + 8b2 = 386

Solving for variable 'b'.

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

Add '6' to each side of the equation.
-6 + 6 + 8b2 = 386 + 6

Combine like terms: -6 + 6 = 0
0 + 8b2 = 386 + 6
8b2 = 386 + 6

Combine like terms: 386 + 6 = 392
8b2 = 392

Divide each side by '8'.
b2 = 49

Simplifying
b2 = 49

Take the square root of each side:
b = {-7, 7}