Factorize :
3
-
12
a
-
b
2
Matching exercise
Match the items on the right to the items on the left.
Check
OK
Step 1
Step 2
Step 3
Step 4
3
-
12
a
-
b
2
=
3
1
-
4
a
-
b
2
=
3
1
2
-
2
a
-
b
2
=
3
1
+
2
a
-
b
1
-
2
a
-
b
=
3
(
1
+
2
a
-
2
b
)
(
1
-
2
a
+
2
b
)