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3 June, 08:11

9x^2-8x-16

how do i factor this polynomial expression

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Answers (1)
  1. 3 June, 11:43
    0
    What multiplies to - 16 but adds to - 8? - 4 and 4. So, it would be factored as

    (x-4) (x+4), giving you solutions of x=4 and x=-4.
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