Multiply. Express the answer as a single polynomial in standard form.6x(x4 - 2x - 5)

A. 12x4 - 12x2 - 30x
B. 6x5 - 12x2 - 30x
C. 6x5 + 6x2 - 30
D. 6x4 + 6x2 - 30x


Answer: B

Mathematics

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The LCM of 20, 45 and 50 is:

a. 200 b. 450 c. 500 d. 900 e. 45,000

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Simplify. + 

A.  
B.  
C.  
D.

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Solve.x2 + 12x + 36 ? 0

A. {6} B. [6, ?) C. (-?, -6] ? [-6, ?) D. {-6}

Mathematics