Expanding Brackets

Question 1:

2 p−7
2p−14

Question 2:

6 9r−2
54r−12

Question 3:

4 7x−6
28x−24

Question 4:

i 7i−6
7i2−6i

Question 5:

n 7k+6
7kn+6n

Question 6:

4d 4d−5f
16d2−20df