11-05-2018
Mathematics

contestada

How can we check the binomial factors to verify that they are truly factors? Are the factors (x + 5)(x – 8) truly factors of x2 – 2x – 30. Show your work.

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11-05-2018

(x + 5)(x - 8) = x^2 - 3x - 40
They are not factors of x^2 - 2x - 30.

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