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OpenStudy (anonymous):
Help pleaseeee Find all rational zeros of the polynomial function f(x) = 2x^3 - 9x^2 - 6x + 5
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OpenStudy (anonymous):
check f(-1)
OpenStudy (anonymous):
Then what
OpenStudy (anonymous):
put x=-1 if f(-1)=0 then x=-1 is a zero of it.
OpenStudy (anonymous):
if x=-1 is a zero then x+1 is a factor of f(x)
OpenStudy (anonymous):
can you show me your work?
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