Subtract 3xy + 5yz – 7zx from 5xy – 2yz +10xyz
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Answer:
2xy - 7yz + 10xyz + 7zx
Step-by-step explanation:
5xy - 2yz + 10xyz - ( 3xy + 5yz - 7xz)
5xy - 2yz + 10xyz - 3xy - 5yz + 7xz
(5xy - 3xy) + ( - 2yz - 5yz) + 10xyz + 7xz
2xy - 7yz + 10xyz + 7zx
2xy ( 1 - 5z) + zx ( 10y + 7)
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