Simplify the expression.(-5a)3

A. -125a3
B. -15a3
C. -125a
D. -15a

Answer: A

Mathematics

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A. -3
B. 3, 
C. 3
D. No solution

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What will be an ideal response?

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A. 3(x2 - 9x)(x + 5) B. 3x(x - 9)(x + 5) C. x(x - 9)(3x + 15) D. x(3x - 27)(x + 5)

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