add:7xy+5yz-3zx,4yz+9zx-4y,-3xz+5x-2xy
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Answered by
0
Step-by-step explanation:
7xy + 5yz - 3zx
+ 4yz + 9zx. -4y
-2xy - 3zx + 5x
ans is come. 5xy + 9yz + 3zx -4y + 5x
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1
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