Chapter 6 Objective 2.1 Exercises
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Simplify. Use a vertical format.
1. (5 x2 - x + 6) + (-2 x2 + 3 x - 11)
2. (7 x2 - 5 x + 6) + (-3 x2 + 4 x - 10)
3. (2 x2 + 3 y2) + (-4 x2 + 3 xy - 2 y2)
4. (3 x2 + 2 x - 6) - (4 x2 - 7 x - 3)
5. ( x2n - 2 xn - 2) + (4 x2n + 6 n + 3)
6. (-3 y2 - 5 y -11) + (6 y2 - 3 y)
7. (4 a2 - 7 a) - (-6 a2 + 5 a - 7)
8. (2 x4 - 3 x + 2) + (4 x3 - 4 x - 7)
9. ( x2n - 2 xn - 5) - (3 x2n - xn + 6)
10. (3 x2 - 2 x - 8) - (- x3 - 4 x2 + 5 x) - (4 x3 - 2 x2 - 8 x + 3)
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