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10 March, 23:54

What is the solution of the question 2 (x+2) ^2-4=28

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  1. 11 March, 03:19
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    2 ((x+2) (x+2) }-4=28

    2{x^2 + 4x + 4}-4=28

    2x^2 + 4x=28

    2 (x^2+2x) = 28

    x^2+2x=28/2

    x^2+2x=14
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