doughae
doughae
21-07-2017
Mathematics
contestada
use the foil method to find the product
(r-9)(r+4)
Respuesta :
reinderegames20
reinderegames20
21-07-2017
(r-9)(r+4)
r^2+4r-9r+36
r^2-5r+36
Answer Link
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