Factorize :
15
a
b
+
15
+
9
b
+
25
a
Matching exercise
Match the items on the right to the items on the left.
Check
OK
Step 1
Step 2
Step 3
Step 4
15
a
b
+
15
+
9
b
+
25
a
=
15
a
b
+
9
b
15
+
25
a
=
3
b
5
a
+
3
+
5
3
+
5
a
=
3
b
5
a
+
3
+
5
5
a
+
3
=
3
b
+
5
5
a
+
3