CHAPTER 7 Objective 1.1 Exercises
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Simplify. Use a vertical format.
1. (3 x2 + 4 x + 9) + ( x2 - x - 6)
2. (3 y3 + 2 y2 = 6) + (- y3 - 5 y - 2)
Simplify. Use a horizontal format.
3. (-2 y2 + 3 y) + (3 y2 + 5 y)
4. ( a2 - 6 a + 9) + (3 a2 + 3 a + 6)
5. (6 x3 + 5 x - 3) + ( x2 - 6 x - 5)
Simplify. Use a vertical format.
6. ( x2 - 3 x) - ( x2 - x - 6)
7. (5 y3 - 6 y2) - ( y3 - 3 y2 - 1)
Simplify. Use a horizontal format.
8. (3 x2 + 2 x - 2) - ( x2 + 5 x - 6)
9. (2 x2 + 6 x - 1) - (5 x2 - x - 2)
10. (3 a3 - a + 2) - ( a3 - a + 5)
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