Question

correct with explaination will be marm as brainlist!!
Do all except tick marked questions​

Answer 1

a.49x+1

50x I think

Step-by-step explanation:

i am wrong ;( I think

Answer 2

( 7x+1² ) ,when expanded can be written as (7x+1) (7x+1)

(The other numbers are also written in this method)

Hope it will help you