Multiply.(x2 - 10) (x3 + 10x - 5)
A. x6 - 5x2 + 100x + 50
B. x5 - 20x3 - 5x2 + 100x + 50
C. x6 - 20x3 - 5x2 - 100x + 50
D. x5 - 5x2 - 100x + 50
Answer: D
Mathematics
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Solve.The output voltage for an AC generator is approximated by v = 156 cos 
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