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Equivalent expressions
hard
Which expression is equivalent to
18
x
2
+
3
x
?
A
3
x
2
(
6
x
+
9
)
B
3
x
(
6
x
+
1
)
C
9
(
2
x
2
+
x
+
1
)
D
3
(
6
x
2
+
1
)
Which expression is equivalent to \(18x^{2} + 3x\)? | Math SAT Question | Ronan SAT