luvjoyhappy
luvjoyhappy
11-01-2015
Mathematics
contestada
Select the product of (7x - 8)(4x + 9).
Respuesta :
CatieSlotz
CatieSlotz
11-01-2015
Foil it out:
(7x)(4x)+(7x)(9)+(-8)(4x)+(-8)(9)
28x^2+63x-32x-72
28x^2+31x-72
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