Question

What is the answe to (3x+2)(3x-2)

Answer 1

Answer:

(3x+2)(3x-2) = 9x² - 4

Step-by-step explanation:

try to use the formula : (a-b)(a+b) = a² - b²

(3x+2)(3x-2) = (3x)² - (2)²

                   = 3²x² - 4

                   = 9x² - 4

Answer 2

Answer:

Step-by-step explanation:

(3x+2)(3x-2)

= 3x(3x) - 2(3x) + 2(3x) - 2(2)

= 9x² - 6x + 6x - 4

= 9x² - 4