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Mathematics 21 Online
OpenStudy (chris215):

Find a cubic function with the given zeros. 7, -3, 2

OpenStudy (misty1212):

HI!!

OpenStudy (chris215):

hey!

OpenStudy (misty1212):

start with \[(x-7)(x+3)(x-2)\] and multiply out if you have to

OpenStudy (misty1212):

better yet, since you don't want to make an algebra mistake, do this http://www.wolframalpha.com/input/?i=%28x-7%29%28x%2B3%29%28x-2%29

OpenStudy (chris215):

ok I got x^2 - 6x^2 - 13x + 42

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