teagan4christ teagan4christ

16-02-2017
Mathematics

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Which trinomial is the product of the expression below?
(3r-4)(r+8)

A. 3r²-32
B. 3r²-28r-32
C. 3r²+20r-32
D. 4r²+4r-32

Respuesta :

Reennaa Reennaa

16-02-2017

It is C,

(3r-4)(r+8)= 3r^2+24r-4r-32
= 3r^2+ 20r-32

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