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Mathematics 22 Online
OpenStudy (anonymous):

Factorize : x^4+4x^3-330x^2-800x+12000.

OpenStudy (anonymous):

i knw how to do it when the degree is 2 :P

OpenStudy (anonymous):

Hahah.. I can do this also but I get bored while doing this.

OpenStudy (anonymous):

:P too long question= meh i think i'll ask it on OS

OpenStudy (anonymous):

hahah..

OpenStudy (anonymous):

You sure it's + 12000 and not 1200?

OpenStudy (anonymous):

it could be 120000 you never know O_O

OpenStudy (anonymous):

or even 12000000

OpenStudy (anonymous):

and possibly 1200000000000

OpenStudy (anonymous):

Umm the 12000 or 1200 can change the answer

OpenStudy (anonymous):

possibilities are endless o_o

OpenStudy (anonymous):

and lol i know it can change the answer

OpenStudy (anonymous):

Because my answer is not a rational number

OpenStudy (anonymous):

is it possible to use synthetic division to factor this ? o.O

OpenStudy (anonymous):

yes its 12000

OpenStudy (anonymous):

This equation has 2 real roots and 2 complex conjugate roots

OpenStudy (anonymous):

Okay! And how to do it? ( THE EASY WAY )

OpenStudy (anonymous):

No easy way...

OpenStudy (anonymous):

No alternative?

OpenStudy (anonymous):

Okay! Tell me how did you solve?

OpenStudy (anonymous):

I used newton's method

OpenStudy (anonymous):

And got a lot of decimals

OpenStudy (anonymous):

I don't want to do it. Can you solve it for me?

OpenStudy (anonymous):

Apparently there's 4 real and distinct roots not 2 complex conjugates

OpenStudy (anonymous):

Okay! What more?

OpenStudy (anonymous):

x ~= -17.86190409 x ~= -7.789336334 x ~= 5.262774005 x ~= 16.38846642 when the equation = 0

OpenStudy (anonymous):

And thats all i know sorry if i couldn't help

OpenStudy (anonymous):

Oh! Well, thank you for trying

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