zacharyscariano
zacharyscariano
16-08-2017
Mathematics
contestada
how to solve by factoring
Respuesta :
kphung76127
kphung76127
16-08-2017
n^2-3n-4=0
(n-4)(n+1)
-4+1=-3
-4*1=-4
n-4=0
n=4
n+1=0
n=-1
Final answers: x=-1, x=4
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