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