Factor the expression. Express your answer so that only positive exponents occur. x1/2 - x-1/4

A. x-1/4(x3/4 + 1)
B. x-1/4(x3/4 - 1)
C. x-1/4(x3/4)
D. x-1/4(x3/4 - x)

Answer: B

Mathematics

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