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avatar+172 

More math help

 

What are the factors of the polynomial function?

Use the rational root theorem to determine the factors.

f(x)=2x3+x2−8x−4                   

 

Select each correct factor

Options

 

(2x-1)

(2x+1)

(x-1)

(x+1)

(x-2)

(x+2)

(x-4)

(x+4)

 

Please and thank you! 0^>

 Nov 8, 2018
 #1
avatar+3617 
+1

\(2x^3 + x^2 -8x -4 = \\ (2x^3-8x) + (x^2-4) =\\ 2x(x^2-4)+(x^2-4) = \\ (2x+1)(x^2-4) = \\ (2x+1)(x-2)(x+2)\)

.
 Nov 8, 2018
 #2
avatar+172 
0

Gracias amigo!

PhoenixForever  Nov 9, 2018

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