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19 October, 01:37

Factorise 2d^2-98 completely

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Answers (2)
  1. 19 October, 02:44
    0
    2 (d^2-49)

    2 (d-7) x (d+7)
  2. 19 October, 03:28
    0
    Hello,

    2 (d + 7) (d - 7)

    Step-by-step explanation:

    2 d² - 98 = 2 (d² - 49) = 2 (d² - 7²)

    a² - b² = (a + b) (a - b)

    2 (d² - 7²) = 2 (d + 7) (d - 7)
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