1.

What is (x - a) (x - b) (x - c) equal to?

A. x3 - (a + b + c)x2 + (bc + ca + ab)x - abc
B. x3 + (a + b + c)x2 + (bc + ca + ab)x + abc
C. x3 - (bc + ca + ab)x2 + (a + b + c)x - abc
D. x3 + (bc + ca + ab)x2 - (a + b + c)x - abc
Answer» B. x3 + (a + b + c)x2 + (bc + ca + ab)x + abc


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