Factor this polynomial: x^2+12x+27

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asked Apr 17, 2019 109k views

2 Answers

Leaf Bebop · Answer 1 · 2019-04-24T18:33:37+0000

Pairs of factors of 27 could be 1 and 27, 3 and 9, 9 and 3, and so on.

Do 1 and 27 add up to 12? No, so reject possible factors (x+1)(x+27).

Do 3 and 9 add up to 12? Yes. Thus, the correct factors are (x+3)(x+9).

Factor this polynomial: x^2+12x+27

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