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31 May, 11:28

The partial factorization of x2 - x - 12 is modeled with algebra tiles.

Which unit tiles are needed to complete the factorization?

3 negative unit tiles

3 positive unit tiles

4 negative unit tiles

4 positive unit tiles

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Answers (1)
  1. 31 May, 12:29
    0
    Hello:

    to complete the factorization unit tiles are needed:

    "3 negative unit tiles" and " 4 positive unit tiles"because : - 3 and 4 are roots for

    x²-x-12

    x²-x-12 = (x+3) (x-4)
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