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20 October, 22:21

Is the solutipn shown below correct? Explain. 9x+2=8x^2+6x

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  1. 21 October, 00:15
    0
    the answer is not correct

    there is a sign error under the radical

    it should be 3^2 - 4 (-8) (2) = sqrt (73) not sqrt (55i)
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