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Mathematics 13 Online
OpenStudy (anonymous):

does anyone know the equation for factoring a cubed root? like (x^3+125)

Directrix (directrix):

Do you mean (x^3 +125) ?

OpenStudy (anonymous):

yes, thank you

Directrix (directrix):

Attached is the factoring pattern. Try it, okay?

OpenStudy (isaiah.feynman):

\[(a^{3}+b^{3})=(a+b)(a^{2}-ab+b^{2})\]

OpenStudy (anonymous):

thank you both!!! you just saved my butt for my final

Directrix (directrix):

@ashiapie1 What did you get when you factored this: (x^3+125) ?

OpenStudy (anonymous):

(x+5)(x^2-5x+25)

Directrix (directrix):

You got it.

Directrix (directrix):

What about x^3 - 125 ?

OpenStudy (anonymous):

wouldn't it just be (x-5) (x^2+5x+25)?

Directrix (directrix):

Yes.

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