andrewbarra0126 andrewbarra0126

04-12-2018
Mathematics

contestada

Which is a factor of 18x2 + 3x − 6?
A. 2x + 1
B. 2x + 3
C. 3x + 2
D. 3x − 1

Respuesta :

04-12-2018

[tex]18x^2+3x-6=3(6x^2+x-2)=3(6x^2+4x-3x-2)\\\\=3[2x(3x+2)-1(3x+2)]=3(3x+2)(2x-1)\\\\Answer:\ \boxed{C.\ 3x+2}[/tex]

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