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11 January, 00:02

Which of the binomials below is a factor of this trinomial 3x^2+18-21

A) x+3

B) x-3

C) x+1

D) x-1

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Answers (1)
  1. 11 January, 00:10
    0
    When u factor 3x^2+18-21, u should get:

    3 (x+1) (x-1)
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