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17 April, 22:06

What multiplies to be 560 and adds to 9

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  1. 18 April, 00:51
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    There are no real numbers that can do that job.

    There's a pair of complex numbers that can do it.

    They are

    4.5 + i23.23

    and

    4.5 - i23.23.

    ' i ' = the imaginary unit = √ (-1)
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