Answer:
I. add or subtract
1. 13a + 81
2. -6m
3. 9x² + 9x - 3
4. 6c
5. a³ - 6a + 20
II. multiply
1. 40x² + 24x
2. -2a³ -6a² + 10a
3. 15n² + 14n - 8
4. x³ + 7x² + 6x - 8
5. a² + 12a + 36
6. x² - 25
Step-by-step explanation:
hope it helps
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Answers & Comments
Answer:
I. add or subtract
1. 13a + 81
2. -6m
3. 9x² + 9x - 3
4. 6c
5. a³ - 6a + 20
II. multiply
1. 40x² + 24x
2. -2a³ -6a² + 10a
3. 15n² + 14n - 8
4. x³ + 7x² + 6x - 8
5. a² + 12a + 36
6. x² - 25
Step-by-step explanation:
hope it helps