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OpenStudy (anonymous):
Find the real and complex zeros of the following function. f(x)=x^3-6x^2+21x-26
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OpenStudy (earthcitizen):
z= ?
OpenStudy (anonymous):
2
OpenStudy (anonymous):
can you help me show the work
OpenStudy (earthcitizen):
2-j3, 2+j3
OpenStudy (earthcitizen):
\[(x^3-6x^2+21x-26)/(x-2)\]
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OpenStudy (earthcitizen):
\[(x-2)(x ^{2}-4x+13)\]
OpenStudy (earthcitizen):
use quadratic formula which is sometimes quicker x=2, 2-j3 and 2+j3
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