Expanding Brackets
Question 1:
10
z
+
7
10
z
+
70
Question 2:
6
7
d
+
6
42
d
+
36
Question 3:
9
7
m
+
6
63
m
+
54
Question 4:
i
9
i
+
5
9
i
2
+
5i
Question 5:
y
9
i
−
2
9
i
y
−
2y
Question 6:
6
e
5
e
+
8
t
30
e
2
+
48
et
