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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