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Mathematics 21 Online
OpenStudy (anonymous):

Which of the following is a factor of x^2 – 6x – 27? Answers: x + 9 x + 3 None of the above x – 1

jimthompson5910 (jim_thompson5910):

x^2 – 6x – 27 x^2 – 9x+3x – 27 x(x – 9)+3(x – 9) (x+3)(x – 9) So the factors are x+3 and x-9 So the answer is choice B

OpenStudy (saifoo.khan):

Right^

OpenStudy (anonymous):

(x+3)(x-9) would be the simplified solution so the second option

OpenStudy (curry):

B

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