F
i
n
d
t
h
e
p
r
o
d
u
c
t
:
(
3
x
-
5
y
-
4
)
(
9
x
2
+
25
y
2
+
15
x
y
+
12
x
-
20
y
+
16
)
Match the items on the right to the items on the left.
Check
OK
STEP1
STEP2
STEP3
STEP4