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By Bernard Kolman; Arnold Shapiro
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Extra resources for Algebra for college students
S + + + + + + + + + +s Simplify by combining like terms. T. stock at per share and y shares of Exxon stock at per share. E. stock at per share and shares of Bethlehem Steel stock at per share. (a) How much money was invested during the morning transactions? (b) How much money was invested during the afternoon transactions? (c) How much money was invested by the end of Monday? M. stock at per share at Thursday's opening of the stock market. Later in the day, he sells y shares of Gulf and Western stock at per share and shares of Holiday Inn stock at per share.
Find and correct the mistake. 20. a + 2a = 2a 2 22. 3(x - 2) = x - 6 24. 3(ab) = (3a)(3b) Simplify the following. 26. 28. 30. 32. 34. 36. 38. 40. 42. 44. 46. 48. 50. 2. 4. 6. 8. 10. 12. 14. 16. 18. = 21. 2(a + 2) 2a + 2 23. (a - b)2 2a - b 25. (2a + 3) + a = 3(a + 2) (2 + x) + 4 27. 29. (x - 3) - 4 31. (2x)( -5) 33. 2(-3x) 35. 4 Ga ) 4x 37. -2 -8x 39. -4 41. (4a) 4(b + 2b) 43. 3 45. 6x + (x -2 1)4 47. 3(a - 2) - 2(b + 4) 49. 3 [ 2u 6+ v ] + � (4u - v) 4 (a - 2� + 4c } + ; (2a - 6b + 2c) = (2 - x) + 2 (x - 5) 2x (-3x)(-4) a(2b)(3c) ; (9 I2a - 6b) -2 4x (3x) ( - �y} � (10 ab) 3(5x - x) 12 3a + (a -2 3a) ( -5) 4(x + y) - 2(x - 2y) 2 (� + y - 2z } - (-2x + 4y + z) - + 27 lHE REAL NUMBER SYSTEM 28 � � ( ) (1 3�668 ) 4 16.
67)2 Im] 70. 39y)2 [IB] 71. 15) llliJ 72. 91) Compute. 4 FACTORING � 73. 48) B � 74. 4 FACTORING Now that we can find the product of two polynomials, let's consider the reverse problem: Given a polynomial, can we find factors whose product will yield the given polynomial? This process is known as factoring. We will approach factoring by learning to recognize the situations in which factoring is possible. COMMON FACTORS Look at the polynomial x2 + x ls there some factor common to each term? Yes-each term contains the variable x.
Algebra for college students by Bernard Kolman; Arnold Shapiro