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28 June, 04:45

Find one value of x that is a solution to the equation:

(2x + 3) 2 - 4 (2x + 3) - 12 = 0

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Answers (1)
  1. 28 June, 04:55
    0
    x = 3/2

    Step-by-step explanation:

    (2x + 3) 2 - 4 (2x + 3) - 12 = 0

    Simplify the equation then isolate for x.

    Distribute over brackets:

    (4x + 6) - (8x + 12) - 12 = 0

    Combine like terms:

    4x + 6 - 8x + 12 - 12 = 0

    6 - 4x = 0

    Isolate x:

    6 = 4x

    6/4 = x

    Reduce the fraction:

    6/4 = x < = divide top and bottom by "scale factor" of 2

    3/2 = x

    x = 3/2 < = having x on the left side is standard
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