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