Expanding Brackets
Question 1:
6
j
+
3
6
j
+
18
Question 2:
10
9
h
+
5
90
h
+
50
Question 3:
8
7
h
+
8
56
h
+
64
Question 4:
j
7
j
+
5
7
j
2
+
5j
Question 5:
e
9
y
−
5
9
e
y
−
5e
Question 6:
10
r
10
r
−
3
k
100
r
2
−
30
kr
