Add like terms, if possible, and write the result in descending powers of the variable.2x4 + 9x4 - 6x4
A. -108x4
B. 5x4
C. 5x12
D. Cannot be simplified
Answer: B
Mathematics
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A. 2
B.
C.
D.
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Rationalize the denominator. Assume that all variables represent positive real numbers.
A.
B.
C. 5p2
D.
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