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21 May, 23:55

What are the solutions to the quadratic equation 4x2 + 28x = 0?

x = 4 and x = - 7

x = 4 and x = 7

x = 0 and x = - 7

x = 0 and x = 7

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Answers (1)
  1. 22 May, 02:21
    0
    4x^2 + 28x = 0

    First step: take out the GCF

    4x (x + 7) = 0

    2nd step: equal each expression to 0

    4x = 0

    (x + 7) = 0

    3rd: solve

    4x = 0

    x = 0

    x + 7 = 0

    x = - 7

    So the answer is x = 0 and x = - 7
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