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Foundations
easy
0:00.0
Which expression is equivalent to
x
+
x
+
x
+
x
x + x + x + x
x
+
x
+
x
+
x
?
A
x
4
x^4
x
4
B
4
x
4x
4
x
C
x
+
4
x + 4
x
+
4
D
4
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