F
i
n
d
t
h
e
d
e
g
r
e
e
o
f
(
2
a
2
+
3
a
b
-
b
2
)
-
(
3
a
2
-
a
b
-
3
b
2
)
Matching exercise
Match the items on the right to the items on the left.
Check
OK
STEP1
STEP2
STEP3
STEP4
STEP5
STEP6
