Using complete sentences, explain how to find the zeros of the function f(x) = 2x^3 – 9x + 3. I don't understand, please help me

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Using complete sentences, explain how to find the zeros of the function f(x) = 2x^3 – 9x + 3. I don't understand, please help me

Mathematics
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Is it x^3? Or, x^2?
its 2x^3
ok....to find the zeroes you need to find the roots of the equation when f(x) = 0. So, set 2x^3 - 9x + 3 = 0. It is not obvious to me what the factors are in this case.

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ok now what?
http://www.wolframalpha.com/input/?i=2x%5E3+-+9x+%2B+3+%3D+0
what does this mean? what am i looking for?
The three x values shown below are the "zeroes". Meaning the value of the function is zero for those values of x.
the zeroes of a function are where the y value is zero hence you set the function equal to zero. 0 = 2x^3 - 9x + 3. This function will not factor nicely so I would probably use a graphing calculator to find the zeroes.
oh so to find the zeros mean the x-intercepts?
Yes. :)
yeeep
ok so am i allowed to use the graphing technology, or is there a way to do it without it?
hmmmm.......factoring that function is nearly impossible (at least for me). So....
ok thank you so much guys

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