Expanding Brackets
Question 1:
7
j
+
9
7
j
+
63
Question 2:
2
6
z
−
7
12
z
−
14
Question 3:
5
8
b
+
3
40
b
+
15
Question 4:
k
8
k
−
7
8
k
2
−
7k
Question 5:
j
3
u
+
10
3
j
u
+
10j
Question 6:
2
z
8
z
+
9
e
16
z
2
+
18
ez
