Question

Freinds help me fast. I need your help. ​

Answer 1

Step-by-step explanation:

this is answer of given question

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Answer 2

Step-by-step explanation:

$7xy - 4yz - 4zx \\ 5xy + 7yz - 8zy \\ \\ \\ \: \: \: \: \: \: \: \:$and the answer is

$xy - 7yz - 6zy$

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