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SAT Math Practice Question #15489 - SATify | SATify
#15489
algebra
factoring
easy
45 sec
Which expression is equivalent to
5
(
a
2
−
9
b
2
)
?
A.
5
(
a
−
9
b
)
(
a
+
9
b
)
B.
5
(
a
−
3
b
)
2
C.
5
(
a
2
−
6
ab
+
9
b
2
)
D.
5
(
a
−
3
b
)
(
a
+
3
b
)
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