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Mathematics
Problem
Find the numerical value of
(
5
p
+
3
q
)
(
5
p
−
3
q
)
(5p+3q)(5p-3q)
(
5
p
+
3
q
)
(
5
p
−
3
q
)
when
p
=
2
p=2
p
=
2
and
q
=
−
1
q=-1
q
=
−
1
. a)
109
109
109
b)
−
91
-91
−
91
c)
91
91
91
d)
49
49
49
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