SOLVED:Use Descartes' rule of signs to determine the number of possible positive, negative, and non real complex solutions of the equation. 4 x^3+2 x^2+1=0

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

Basic Rules for Positive and Negative Numbers

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