Question

evaluate:
(3-2x) (3+2x) (9+4x)​

Answer 1

Answer:

15+4x is the answer

Step-by-step explanation:

separate the x terms and numbers

3+3+9and-2x+2x+4x

-2x+2x gets canceled

15+4x

Answer 2

Answer:

$= (3 - 2x)(3 + 2x)(9 + 4x) \\ = (9 + 6x - 6x - 4 {x}^{2} )(9 + 4x) \\ = (9 - 4 {x}^{2} )(9 + 4x) \\ = 81 + 36 - 36 {x}^{2} - 16 {x}^{3} \\ = 16 {x}^{3} + 36 {x}^{2} - 117$