Question

find the following product (1/3x+9)(1/3x-9)
​

Answer 1

Answer:

1/(3x^2-9^2)

1/(9x^2-81) =1/9(x^2-9)

Answer 2

Answer:

x²/9 - 81

Step-by-step explanation:

$(\frac{1}{3}x+ 9)( \frac{1}{3}x - 9) = \frac{x^2}{9} - 81$