Factorize :
x
2
+
8
x
+
15
Matching exercise
Match the items on the right to the items on the left.
Check
OK
Step 1
Step 2
Step 3
Step 4
Step 5
x
2
+
8
x
+
15
=
x
2
+
8
x
+
15
-
1
=
x
2
+
2
×
x
×
4
+
4
2
-
1
=
(
x
+
4
)
2
-
1
2
=
x
+
4
+
1
x
+
4
-
1
=
(
x
+
5
)
(
x
+
3
)