3 years ago

Factor the following quadratic expression x^2 + 9x + 20

Mathematics

1 answer:

AysviL [449]3 years ago

6 0

Answer:

(x+5)(x+4)

Step-by-step explanation:

factors of 20: 1,20,2,10,4,5

Since 4 and 5 are the only factors of 20 that have a sum of 9 the answer is (x+5)(x+4)

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