Question

(3x+7) (7x-9) can you tell me​

Answer 1

Answer:

see the attachment

Step-by-step explanation:

have a nice day

Answer 2

Answer:

Hope it will be helpful to you !

Step-by-step explanation:

You can see the given attachment According to that attachment the answer is

$21 { x}^{2} + 22 \: x \: - \: 63$