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What are the zeros of f(x) = x2 - x - 20?
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What are the zeros of f(x) = x2 - x - 20?

User Benbob
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1 Answer

3 votes

Answer:

(-4,0) and (5,0)

Explanation:

Factor.

f(x) = x^2 -x - 20

Factors of -20 that when are added they equal -1

-5 and 4

(x-5) (x+4)

x=5 and x=-4

User Ullstrm
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6.9k points
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