Question

simplify -. (9x-2)(9x+2)​

Answer 1

Answer:

$81 {x}^{2} - 4$

Is the answer

Step-by-step explanation:

(9x-2)(9x+2)

Since; (a+b)(a-b) = a^2- b^2

So,

(9x)^2 - (2)^2

$81 {x}^{2} - 4 \:$

Answer 2

Answer:

81 x^2 - 4 is answer

please brianlist