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Mathematics 16 Online
OpenStudy (anonymous):

X3-3x2-16x+48

Directrix (directrix):

What are the instructions?

OpenStudy (anonymous):

factoring

Directrix (directrix):

We'll do factoring by grouping.

OpenStudy (anonymous):

like how

Directrix (directrix):

X3-3x2-16x+48 = x² (x - 3) - 16 (x - 3) @cuppyspoon Do you agree with this step?

OpenStudy (anonymous):

yes

Directrix (directrix):

(x - 3) is a common factor so x² (x - 3) - 16 (x - 3) = (x - 3 ) (x² - 16) =

OpenStudy (anonymous):

so is that the anser

Directrix (directrix):

(x - 3 ) (x² - 16) = (x - 3) ( x + 4) (x - 4)

OpenStudy (anonymous):

answer

Directrix (directrix):

(x - 3) ( x + 4) (x - 4)

OpenStudy (anonymous):

thanks for ur help

Directrix (directrix):

You are welcome.

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