mdaley12 mdaley12

28-04-2016
Mathematics

contestada

What times what equals 21 but adds up to -22

Respuesta :

nathan127 nathan127

29-04-2016

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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