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Mathematics 17 Online
OpenStudy (anonymous):

x^3-2x^2-7x-4=0

OpenStudy (anonymous):

find x??

OpenStudy (anonymous):

using synthetic divison

OpenStudy (anonymous):

ok k

OpenStudy (anonymous):

are you talking about the synth division we use in dividing polynomials?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

ok...firstly how are you thinking to use synth division here?

OpenStudy (anonymous):

Finding zeros of a polynominal function

OpenStudy (anonymous):

ok..let me do it myself first

OpenStudy (anonymous):

k

OpenStudy (anonymous):

do you have any idea abt the answer..to check?

OpenStudy (anonymous):

here we first find the leading coefficient which is 1 its facors are \[\pm1\]

OpenStudy (anonymous):

factors of constant term -4 is \[\pm1,\pm2,\pm4\]

OpenStudy (anonymous):

p/q values are \[\pm1,\pm2,\pm4\]

OpenStudy (anonymous):

constant term is 4..i just typed it wrong:)

OpenStudy (anonymous):

-1 is a zero

OpenStudy (anonymous):

4 also

OpenStudy (anonymous):

i meant rational roots

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