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3 April, 09:43

Solve the equation by factoring.

25d3 - 36d = 0

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Answers (2)
  1. 3 April, 09:45
    0
    -6/5, 0, 6/5.

    Step-by-step explanation:

    25d3 - 36d = 0

    The GCF is d so we have:

    d (25d^2 - 36) = 0

    d = 0 is one solution, and:

    25d^2 - 36 = 0

    25d^2 = 36

    d^2 = 36/25

    d = + / - 6/5

    d = - 6/5, 6/5.
  2. 3 April, 10:06
    0
    -6/5, 0, 6/5

    Step-by-step explanation:

    First factor out the d and you are left with d (25d^2-36) = 0 (a+b) (a-b) = a^2-b^2 Using that principle you can then simplify further by factoring it into d (5d+6) (5d-6) = 0 Then just solve to get the answers.
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