20150549 20150549

19-06-2017
Mathematics

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what is the relationship between (x-5) and polynomial 2x^2-7x-15

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Banabanana Banabanana

22-06-2017

2x²-7x-15 = 2x² + 3x - 10x - 15 = x(2x+3) - 5(2x+3) = (x-5)(2x+3)

Answer: (x-5) is a factor of polynomial 2x²-7x-15

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