Factorize :
3
x
4
-
243
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
x
4
-
243
=
3
x
4
-
81
=
3
x
2
2
-
9
2
=
3
x
2
-
9
x
2
+
9
=
3
(
x
+
3
)
(
x
-
3
)
x
2
+
9