What is the factored form of the polynomial x2 + 9x +20

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18-09-2017
Mathematics

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What is the factored form of the polynomial x2 + 9x +20

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mtomas598 mtomas598 · Answer 1 · 2017-09-18T23:14:00+02:00

mtomas598 mtomas598

18-09-2017

To factor, you have to determine two numbers that multiply to get 20 and add to get 9: 4 & 5.

both signs are positive:
( + )( + )

what multiples to get x^2?
(x+ )(x+ )

So,
(x+4)(x+5) is your answer.

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danielaportalc danielaportalc · Answer 2 · 2019-05-21T00:33:01+02:00

danielaportalc danielaportalc

21-05-2019

the answer is C on ed

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