Add 7 xy + 5 yz -3 zx and 3 xy -2 yz + 5 zx.
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Add 7 xy + 5 yz -3 zx and 3 xy -2 yz + 5 zx.
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Answer:
10xy+3yz+2zx
Step-by-step explanation:
=7xy+3xy+5yz-2yz-3zx+5zx
=10xy+3yz+2zx