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Mathematics 22 Online
OpenStudy (anonymous):

How many roots do the following equations have? -12x^2 - 25x + 5 + x^3 = 0

hero (hero):

It's a cubic, so it will have three roots. The question is, how many real roots will it have.

hero (hero):

But if it's just asking for number of roots, it's three.

OpenStudy (anonymous):

get in order of x's and factor by grouping

OpenStudy (anonymous):

Thank you I thought it was three was just checking

OpenStudy (anonymous):

true that. you are that hero.

hero (hero):

@Fgcbear16 you don't have to factor anything to figure out number of roots

OpenStudy (anonymous):

i know but i thought they wanted to know the number of real roots. my fault for not paying attention well enough.

OpenStudy (anonymous):

sorry.:(

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