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Mathematics
Mathematics
Problem
Expand and simplify
(
3
a
−
5
b
)
(
3
a
+
5
b
)
(3a - 5b)(3a + 5b)
(
3
a
−
5
b
)
(
3
a
+
5
b
)
a. A:
9
a
−
25
b
9a - 25b
9
a
−
25
b
b. B:
9
a
+
25
b
9a + 25b
9
a
+
25
b
c. C:
9
a
2
+
25
b
2
9a^2 + 25b^2
9
a
2
+
25
b
2
d. D:
9
a
2
−
25
b
2
9a^2 - 25b^2
9
a
2
−
25
b
2
e. E: None of these
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