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17 March, 18:05

What are the solutions of the equation 2x2 = 2? Use a graph of the related function. A. There are two solutions: - 1 and 1. B. There are two solutions: - 1 and 1. C. There are two solutions: D. There are no real number solutions.

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  1. 17 March, 20:25
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    Hello:

    2x² = 2

    x²=1

    x²-1=0

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

    x-1=0 or x+1=0

    x=1 or x = - 1 ... (answer : B. There are two solutions: - 1 and 1)
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