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31 January, 16:34

7x (x+1.8) = 0

7x (x+1.8) = 0

7x (x+1.8) = 0

Answer those 3

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Answers (1)
  1. 31 January, 18:25
    0
    The answer to all of those questions would be x=-1.8

    Step-by-step explanation:

    7x (x + 1.8) = 0 - Distribute through the Parenthesis -

    7x^2 + 12.6x = 0

    x (7x + 12.6) = 0

    x = 0

    7x + 12.6 = 0

    7x = - 12.6

    x = - 12.6/7

    x = - 1.8

    so x = 0 or x = - 1.8
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