Factorise Fully

Question 1:

9t−54
9 t−6

Question 2:

20w−14
2 10w−7

Question 3:

36c+40
4 9c+10

Question 4:

7p2+6p
p 7p+6

Question 5:

5dk−6k
k 5d−6

Question 6:

49j2−42js
7j 7j−6s