(7b-6)(7b+6)=

Solution for (7b-6)(7b+6)= equation:

Simplifying
(7b + -6)(7b + 6) = 0

Reorder the terms:
(-6 + 7b)(7b + 6) = 0

Reorder the terms:
(-6 + 7b)(6 + 7b) = 0

Multiply (-6 + 7b) * (6 + 7b)
(-6(6 + 7b) + 7b * (6 + 7b)) = 0
((6 * -6 + 7b * -6) + 7b * (6 + 7b)) = 0
((-36 + -42b) + 7b * (6 + 7b)) = 0
(-36 + -42b + (6 * 7b + 7b * 7b)) = 0
(-36 + -42b + (42b + 49b2)) = 0

Combine like terms: -42b + 42b = 0
(-36 + 0 + 49b2) = 0
(-36 + 49b2) = 0

Solving
-36 + 49b2 = 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 + 49b2 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 49b2 = 0 + 36
49b2 = 0 + 36

Combine like terms: 0 + 36 = 36
49b2 = 36

Divide each side by '49'.
b2 = 0.7346938776

Simplifying
b2 = 0.7346938776

Take the square root of each side:
b = {-0.857142857, 0.857142857}