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21 September, 21:37

Factor Completely: 100x2 - 1

a. (25x - 1) (4+1)

b. (x - 10) (x + 10)

c. 10 (x+1) (x+10)

d. (10x - 1) ((10x + 1)

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Answers (1)
  1. 21 September, 23:14
    0
    d

    Step-by-step explanation:

    100x² - 1 ← is a difference of squares and factors in general as

    a² - b² = (a - b) (a + b), thus

    100x² - 1

    = (10x) ² - 1²

    = (10x - 1) (10x + 1) → d
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