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avatar+381 

Another one I need to learn better, ha-ha.

 

Is the binomial a factor of the polynomial function?

f(x)=x3+4x2−9x−36

 

Select Yes or No for each binomial.

 

Options:

 

(x-1)

(x-3)

(x+3)

(x+4)

(x-4)

 

Please and thank you! 0^>

 Nov 8, 2018
 #1
avatar+5233 
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\(x^3 +4x^2 -9x -36 = \\ (x^3 -9x) + 4(x^2-9) = \\ x(x^2-9)+4(x^2-9) = \\ (x+4)(x^2-9) = \\ (x+4)(x-3)(x+3)\)

.
 Nov 8, 2018

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