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

Mathematics 2019 CDS Elementary Mathematics 2019 CDS 2019

Options

x³ – (a + b + c)x² + (bc + ca + ab)x – abc

x³ + (a + b + c)x² + (bc + ca + ab)x + abc

x³ – (bc + ca + ab)x² – (a + b + c)x – abc

x³ + (bc + ca + ab)x² – (a + b + c)x + abc