Factorize :
a
2
-
b
+
a
b
-
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
a
2
-
b
+
a
b
-
a
=
a
2
+
a
b
-
b
-
a
=
a
2
+
a
b
-
b
+
a
=
a
a
+
b
-
a
+
b
=
a
+
b
a
-
1