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Mathematics 34 Online
OpenStudy (anonymous):

Which of the following is a polynomial with roots -3, -3, and 3 ? x3 + 3x2 + 9x + 27 x3 - 3x2 + 9x - 27 x3 + 9x2 + 9x + 81 x3 - 9x2 + 9x - 81

OpenStudy (anonymous):

ooh i know this one

OpenStudy (anonymous):

-3 -3 and 3 so (x+3)^2+(x-3) expand it :D

OpenStudy (anonymous):

(x+3)^2*(x-3)

OpenStudy (anonymous):

oh wait that is a * not a +

OpenStudy (anonymous):

x^3+3*x^2-9*x-27

OpenStudy (anonymous):

wow i should've known that lol ty ;)

OpenStudy (anonymous):

well now you know in case of a test or something :)

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