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9 March, 16:55

The difference of the square of a number and 4 is equal to 3 times that number. Find

the negative solution.

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Answers (1)
  1. 9 March, 17:32
    0
    The negative solution is - 1.

    Step-by-step explanation:

    If the number is x then:

    x^2 - 4 = 3x

    x^2 - 3x - 4 = 0

    (x - 4) (x + 1) = 0

    x = 4, - 1.
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