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25 May, 11:05

Factor x2 - 4x + 5.

Prime

(x + 5) (x - 1)

(x - 5) (x - 1)

(x + 5) (x + 1)

+4
Answers (2)
  1. 25 May, 11:20
    0
    The right answer should be - 5 & + 1 so we can get the - 4. (x - 5) (x + 1).
  2. 25 May, 11:29
    0
    1) Prime

    2) (x + 5) (x - 1) = x²-1x+5x-5 = x²+4x-5

    3) (x - 5) (x - 1) = x² - 1x - 5x + 5 = x² - 6x + 5

    4) (x + 5) (x + 1) = x² + 1x + 5x + 5x = x² + 6x+5

    It is 1) Prime
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