12xy + 2y2- 4xy + 10 y2-8xy- 12 y2
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Answered by
1
Answer:
0
Step-by-step explanation:
- 12xy+2y2-4xy+10y2-8xy-12y2
- =(12xy-4xy-8xy)+(2y2+10y2-12y2)
- =0+0
- =0
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