Question

Using suitable identity (3x + 4) (3x - 4 ) is equal to

Answer 1

Step-by-step explanation:

the answer can be 0 as I think

Answer 2

Answer:

(3x + 4) (3x - 4 ) is equal to 3x^2 - 4^2

Reason:

  (3x + 4) (3x - 4 )

= 3x^2 + 12x - 12x - 4^2  (12x & -12x will get canceled)

= 3x^2 - 4^2