SOLVED:Use Descartes’ Rule of Signs to determine how many positive and how many negative real zeros the polynomial can have. Then determine the possible total number of real zeros. P(x)=x^5+4 x^3-x^2+6 x

SOLVED:For each polynomial (a) use Descartes' rule of signs to determine the possible combinations of positive real zeros and negative real zeros; (b) use the rational zero test to determine possible rational zeros; (c) test for rational zeros; and (d) factor as a product of linear and/or irreducible quadratic factors. P(x)=4 x^4-8 x^3 7 x^2 30 x 50

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Descartes' Rule of Signs | Definition, Examples & Uses - Video | Study.com