sky098
sky098
08-03-2016
Mathematics
contestada
what multiplies to -42 and adds to 1
Respuesta :
BrainlyA
BrainlyA
08-03-2016
7 and -6
is the answer
Answer Link
klee48
klee48
08-03-2016
(x)(y)=-42
x+y=1
y-y^2=-42
y^2+y-42=0
(y+7)(y-6)=0
y=-7 or 6
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