Expanding Brackets
Question 1:
7
d
+
8
7
d
+
56
Question 2:
10
9
g
+
10
90
g
+
100
Question 3:
5
10
i
+
3
50
i
+
15
Question 4:
d
4
d
+
3
4
d
2
+
3d
Question 5:
q
4
v
−
9
4
q
v
−
9q
Question 6:
8
w
9
w
+
8
x
72
w
2
+
64
wx
