A.2 The student will perform operations on polynomials, including a) applying the laws of exponents to perform operations on expressions; b) adding, subtracting, multiplying, and dividing polynomials; and c) factoring completely first- and second-degree binomials and trinomials in one or two variables. Graphing calculators will be used as a tool for factoring and for confirming algebraic factorizations. Simplify the following expressions 1. (3x3 +2x2 -4x+2) + (2x3 - x2 – 4x +1) 2. (-6x3 -3x2 +2) + (-x3 +3x2 – 2x +8) 3. (2x3 -9x2 +9x+6) + (6x3 – 8x +4) 4. (3x4 -2x3 + 2x2 -4x+2) + (2x3 - x2 – 4x +1) 5. (2x3 +4x2 -4x+9) - (5x3 - 2x2 – 4x +1) 6. (2x4 -7x2 - 5x+2) - (-3x3 +6x2 – 7x +8) 7. (3x5 +8x2 –x - 10) - (-10x3 - 7x2 – 9x -17) 8. (7x5 -5x3 -4x2+7) - (-7x5 -9x3 + 6x +9) Simplify the follow expressions 9. 2x2 ( 9x7 -6x-2) 10. -3x4(-2x2+10x-9) 11. -2x2y2(9x2y – 4xy +2) 12. -2x2 ( 10x3 +2x-9) 13. -4xy( 6x2y – 9xy2+2) 14. 7x2y3 (-2x3y2 + 10xy -9) Find the product of the following 15. (x-9)(x+2) 16. (2x+8)(-3x+2) 17. (3x-4)(2x-9) 18. (-7x2 +3)(2x2-3) 19. (9x-9)(9x+9) 20. (4x-4)(-2x-2) 21. (-6x+6)(-6x-6) 22. (3x2-9)(4x2+2) Simplify: 23. (3x-2)2 (-4x-3) 24. 25. 26. 27. 28. (5x)2(9x-4) Factor each of the following completely 29. x2 +3x + 2 30. x2 +7x + 6 31. x2 -6x + 8 32. x2 +2x – 48 33. x2 -9x + 18 34. x2 -49 35. x2 - 64 36. x2 – y2 37. 2x2 -5x – 3 38. 3x2 -7x -6 39. 9x2 – 39x -30 40. 6x2 +3x – 3 41. 3x2 +7x -2
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