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OpenStudy (anonymous):
How to solve this inequalities 3x^4 + 5x^3 - 17x^2 - 13x + 6 < 0
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OpenStudy (anonymous):
observe that at x=2 the equation becomes 0 so then divide it x-2 i.e. factorise then use wavy curve.
OpenStudy (anonymous):
how do you get x=2? by what method?
OpenStudy (anonymous):
by looking at the equation usually all cubic functions(in problems) have 1,2,-1 or -2 as roots.
OpenStudy (anonymous):
i see.. thanks!
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