3xy + 5yz - 7zx from 5xy – 2yz – 2zx + 10xyz
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Answer:
Answer is 2xy-7yz+5zx+10xyz
Step-by-step explanation:
(5xy-2yz-2zx+10xyz)-(3xy+5yz-7zx)
=5xy-2yz-2zx+10xyz-3xy-5yz+7zx
=5xy-3xy-2yz-5yz-2zx+7zx+10xyz
=2xy-7yz+5zx+10xyz
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