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3 August, 10:19

What times what equals 21 but adds up to - 22

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  1. 3 August, 11:12
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    Let "what" and "what" be A and B

    Put this in an algebraic equation

    A * B = 21

    A + B = - 22

    A must = - 21 and B must = - 1, this is because two negatives multiply to make a positive

    A + B = - 22, - 21 + - 1 = - 22
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