(5b-6)(5b+6)=

Solution for (5b-6)(5b+6)= equation:

Simplifying
(5b + -6)(5b + 6) = 0

Reorder the terms:
(-6 + 5b)(5b + 6) = 0

Reorder the terms:
(-6 + 5b)(6 + 5b) = 0

Multiply (-6 + 5b) * (6 + 5b)
(-6(6 + 5b) + 5b * (6 + 5b)) = 0
((6 * -6 + 5b * -6) + 5b * (6 + 5b)) = 0
((-36 + -30b) + 5b * (6 + 5b)) = 0
(-36 + -30b + (6 * 5b + 5b * 5b)) = 0
(-36 + -30b + (30b + 25b2)) = 0

Combine like terms: -30b + 30b = 0
(-36 + 0 + 25b2) = 0
(-36 + 25b2) = 0

Solving
-36 + 25b2 = 0

Solving for variable 'b'.

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

Add '36' to each side of the equation.
-36 + 36 + 25b2 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 25b2 = 0 + 36
25b2 = 0 + 36

Combine like terms: 0 + 36 = 36
25b2 = 36

Divide each side by '25'.
b2 = 1.44

Simplifying
b2 = 1.44

Take the square root of each side:
b = {-1.2, 1.2}