Answer:
1. 5x²+15x
2. -4x³+20x²-40x
3. 12x³+48x²
4. a²+12a+32
5. 2a²-23a+56
6. 2x-4
7. 2-x
8. x+3
9. x+9
Step-by-step explanation:
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Answers & Comments
Answer:
A.
1. 5x²+15x
2. -4x³+20x²-40x
3. 12x³+48x²
4. a²+12a+32
5. 2a²-23a+56
B.
6. 2x-4
7. 2-x
8. x+3
9. x+9
Step-by-step explanation:
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