(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}