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Foundations
easy
0:00.0
If
p
=
−
2
p = -2
p
=
−
2
and
q
=
3
q = 3
q
=
3
, evaluate
p
2
q
−
p
q
2
p^2 q - pq^2
p
2
q
−
p
q
2
.
A
30
B
−
30
-30
−
30
C
6
D
−
6
-6
−
6
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