(3b+2)(3b-2)=

Solution for (3b+2)(3b-2)= equation:

Simplifying
(3b + 2)(3b + -2) = 0

Reorder the terms:
(2 + 3b)(3b + -2) = 0

Reorder the terms:
(2 + 3b)(-2 + 3b) = 0

Multiply (2 + 3b) * (-2 + 3b)
(2(-2 + 3b) + 3b * (-2 + 3b)) = 0
((-2 * 2 + 3b * 2) + 3b * (-2 + 3b)) = 0
((-4 + 6b) + 3b * (-2 + 3b)) = 0
(-4 + 6b + (-2 * 3b + 3b * 3b)) = 0
(-4 + 6b + (-6b + 9b2)) = 0

Combine like terms: 6b + -6b = 0
(-4 + 0 + 9b2) = 0
(-4 + 9b2) = 0

Solving
-4 + 9b2 = 0

Solving for variable 'b'.

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

Add '4' to each side of the equation.
-4 + 4 + 9b2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 9b2 = 0 + 4
9b2 = 0 + 4

Combine like terms: 0 + 4 = 4
9b2 = 4

Divide each side by '9'.
b2 = 0.4444444444

Simplifying
b2 = 0.4444444444

Take the square root of each side:
b = {-0.666666667, 0.666666667}