Question

the product of (3x+4) (3x-4)​

Answer 1

Step-by-step explanation:

$(3x \: - 4) {}^{2}$

Answer 2

Answer:

9x² - 16

Step-by-step explanation:

(3x+4) (3x-4)

= (3x * 3x) + [3x *(-4)] + (4 * 3x) + [4 * (-4)]

=9x² - 12x  + 12x  - 16                                         ∵  -12x + 12x = 0

= 9x² - 16