pls answer this..........
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Answer:
1. a3-16a2+12-3a
2. a3x-x4+a2x2-ax3
3.y2+8zx-2xy-4yz
4. 1+a+ac+a2c
Step-by-step explanation:
1. a3-16a2+12-3a
2. a3x -a3x-x4+a2x2 (cut these a3x)=-x4+a2x2
3. y2+8zx-2xy-4yz
4. 1+a+ac+a2c
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