(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}