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SAT
>>
Math
>>
Quadratic Equations
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Q)
The factors of
x
4
+
2
x
2
+
9
are ?
(
a
)
(
x
2
+
2
x
+
3
)
,
(
x
2
−
2
x
+
3
)
(
b
)
(
x
2
+
3
)
,
(
x
2
−
3
)
(
c
)
(
x
2
+
2
x
+
3
)
,
(
x
2
+
2
x
+
3
)
(
d
)
(
x
2
+
3
)
,
(
x
2
+
3
)
Share
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