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OpenStudy (anonymous):
PLEASE HELLPP ! Find only the rational roots of x4 – 9x3 + 16x2 + 18x – 36 = 0. A. x = –6, x = –3 B. x = –6, x = 3 C. x = 6, x = 3 D. x = 6, x = –3
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OpenStudy (anonymous):
Since this is multiple choice, the fastest and easiest thing to do is to plug in all of the options and see if they give 0.
OpenStudy (anonymous):
okay thank you!
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