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Mathematics 12 Online
OpenStudy (anonymous):

Help pleaseeee Find all rational zeros of the polynomial function f(x) = 2x^3 - 9x^2 - 6x + 5

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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