chloe1018 chloe1018

17-04-2020
Mathematics

contestada

What is the factored form of x2 – x-22
(x-2)(x + 1)
(x + 2)(x + 1)
(x - 2)(x - 1)
(x + 2)(x - 1)

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fadedfire07 fadedfire07

17-04-2020

The answer is (x-2)(x+1)

It’s not b or c because the last number is -2. A positive times a positive equals a positive. And a negative times a negative equals a positive. Leaving a or b.

Below is when I tried out each factored form

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