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Equivalent expressions
medium
Which expression is equivalent to
(
7
x
4
+
x
2
)
+
(
x
4
+
3
x
2
)
?
A
3
x
8
+
7
x
6
B
8
x
4
+
4
x
2
C
8
x
8
+
4
x
4
D
7
x
16
+
3
x
4
Which expression is equivalent to \( (7x^{4} + x^{2}) + (x^{4} + 3x^{… | Math SAT Question | Ronan SAT