Question

please answer me fast
in step by step
in my three questions​

Answer 1

Answer:

( 2n + 1 ) ( 6n_ 1 )

2n ( 6n _ 1 ) + 1 ( 6n _ 1 )

12n square _ 2n + 6n _ 1

12n square _ 4n _ 1

( m _ 3 ) (3m + 5)

3m square + 5m _ 9m _ 15

3m square _ 4m _ 15

(7m + 1) (9m _ 5)

63m square _ 35m + 9m _ 5

63m square _ 26m _ 5