S
i
m
p
l
i
f
y
a
2
-
b
2
3
+
b
2
-
c
2
3
+
c
2
-
a
2
3
a
-
b
3
+
b
-
c
3
+
c
-
a
3
Match the items on the right to the items on the left.
Check
OK
STEP-1
STEP-2
STEP-3
STEP-4
STEP-5