Find all roots of the polynomial equation. Use the Rational Zero Theorem, Descartes's Rule of Signs, and possibly the graph of the polynomial function shown by a graphing utility as an aid in obtaining the first root. 2 4x22x +36x-44x+56=0 The solution set of the equation 4x22x +36x-44x+56=0 is (Use a comma to separate answers as needed. Type an exact answer, using radicals and i as needed. Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
Find all roots of the polynomial equation. Use the Rational Zero Theorem, Descartes's Rule of Signs, and possibly the graph of the polynomial function shown by a graphing utility as an aid in obtaining the first root. 2 4x22x +36x-44x+56=0 The solution set of the equation 4x22x +36x-44x+56=0 is (Use a comma to separate answers as needed. Type an exact answer, using radicals and i as needed. Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section: Chapter Questions
Problem 9CC
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