Question: just answer first two questions For each polynomial in Exercises 45-62: (a) use Descartes' rule of signs to determine the possible combinations of positive real

just answer first two questions

For each polynomial in Exercises 45-62: (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. 45. P(x) = x + 6x + 11x + 6 46. P() - 1 - 67 + 1 1x - 6 47. P(x) = x- 7x - x+7 48. P(x) - 1 - 5x - 4x + 20 49. P(x) = x + 6x + 3x - 10x 50. P() A

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