Respuesta:
1. 8X
2. 5a
3. 7a- 7b
4. 2x
5. x² + 6x
6. -4a
7. 7b
8. 11z + 8
9. 0
10. -7a + 9a²
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Respuesta:
1. 8X
2. 5a
3. 7a- 7b
4. 2x
5. x² + 6x
6. -4a
7. 7b
8. 11z + 8
9. 0
10. -7a + 9a²