What are the factors of the polynomial below? x2 + 7x - 18 A. (7x + 11)(x - 1) B. (x + 2)(9x - 2) C. (x + 9)(x - 2) D. (7x + 9)(x - 2)

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asked Jun 21, 2019 5.6k views

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Bera · Answer 1 · 2019-06-25T05:56:37+0000

It is c because you can do a cross then put the 7 as the sum and -18 as the product and then you see what can be multiplied to get you -18 and at the same time get you 7 when you add both of them together. Which is -2 and 9.

What are the factors of the polynomial below? x2 + 7x - 18 A. (7x + 11)(x - 1) B. (x + 2)(9x - 2) C. (x + 9)(x - 2) D. (7x + 9)(x - 2)

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