sheashea123 sheashea123

11-03-2017
Mathematics

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Find the roots of the polynomial equation. -x^3+5x^2-11x+55=0

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anaguzman anaguzman

11-03-2017

first factor left side of equation. (−x+5)(x2+11)=0 then set factor to equal 0. −x+5=0 or x2+11=0 x=5 so the answer is x=5

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