Question: Help Chapter 3 Polynomials and Rational Functions Section R.5 Practice Identify each expression as a polynomial or not a polynomial. For each polynomial, give the

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each expression as a polynomial or not a polynomial. For each polynomial,

Chapter 3 Polynomials and Rational Functions Section R.5 Practice Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. See 11. -5xll 15. -725 - 223 + 1 19. ~x5 8" 5+9 13. 6.x + 3.x4 17. 15a2b3 + 12a38 - 1365 + 1266 Add or subtract, as indicated. See Example 2. Find each product. See Examples 3-5. 23. (5x2 - 4x + 7) + (-4x2 + 3x -5) 29. (4r - 1)(7r + 2) 24. (3m3 - 3m- + 4) + (-2m3 - m2 + 6) 31. x2(3x - 2) (5x + 1) 25. 2(12y2 - 8y + 6) - 4(3y2 - 4y + 2) 33. 4x2(3x3 + 2x2 - 5x + 1) 26. 3(8p2 - 5p) - 5(3p2 - 2p + 4) 35. (2z - 1)(-z2 + 3z - 4) Find each product. See Examples 5 and 6. 43. (2m + 3)(2m - 3) 45. (4x2 - 5y) (4x2 + 5y) 47. (4m + 2n)2 49. (5r - 312)2 83. -4x7 - 14x6 + 10x4 - 14x2 84. -8r's - 12r2s2 + 20rs3 -2.x2 -4rs 87. 8wxy2 + 3wxy + 12waxy 88. 12ab2c + 10a2bc + 18abc2 4wx2y 6a2bc

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