Factor.x2 - x - 48
A. (x + 6)(x - 8)
B. (x - 6)(x + 8)
C. (x - 48)(x + 1)
D. Not factorable
Answer: D
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A. 3.2 hr B. 3.8 hr C. 2.4 hr D. 180 hr
Multiply.-12x(4x + 9)
A. -48x2 + 9x B. -156x2 C. -48x2 - 108x D. 4x2 - 108x
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