Question

Can someone help please!!!
Pictures below

Answer 1

1. im not really sure abt this one

2. 11x-16

3. 35+1/x+1

Explanation:

2. x^2/x^2=x

3X--7X=10X

-28+12=-16

x+10x=11x

3. 5/1*6/1=35

35+1/x+1