36b^2-1=80

Solution for 36b^2-1=80 equation:

Simplifying
36b2 + -1 = 80

Reorder the terms:
-1 + 36b2 = 80

Solving
-1 + 36b2 = 80

Solving for variable 'b'.

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

Add '1' to each side of the equation.
-1 + 1 + 36b2 = 80 + 1

Combine like terms: -1 + 1 = 0
0 + 36b2 = 80 + 1
36b2 = 80 + 1

Combine like terms: 80 + 1 = 81
36b2 = 81

Divide each side by '36'.
b2 = 2.25

Simplifying
b2 = 2.25

Take the square root of each side:
b = {-1.5, 1.5}