Expanding Brackets
Question 1:
8
r
−
9
8
r
−
72
Question 2:
6
7
z
−
9
42
z
−
54
Question 3:
6
5
g
−
6
30
g
−
36
Question 4:
a
10
a
+
3
10
a
2
+
3a
Question 5:
j
8
n
+
7
8
j
n
+
7j
Question 6:
6
j
7
j
+
2
v
42
j
2
+
12
jv