Question

(x +4) and (x - 5) are the factors of


1) x² - x + 20

2) x² - 9x - 20

3) x² + x - 20

4) x² - x - 20

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Answer 1

Answer:

x^2 - x - 20

Step-by-step explanation:

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Answer 2

Answer:

(x+4)(x-5) = x square -x - 20

so, x square - x - 20 are the factors of(x+4) and (x-5)