Mathematics
22 Online
OpenStudy (anonymous):
Factorize : x^4+4x^3-330x^2-800x+12000.
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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?
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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
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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
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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
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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
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OpenStudy (anonymous):
And thats all i know sorry if i couldn't help
OpenStudy (anonymous):
Oh! Well, thank you for trying