Question

add 5xy+7yz-3xz,2zy-4yz+2xz???
Help
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Answer 1

Answer: 5xy + 5yz - xz

Step by step:

5xy+7yz-3xz+(2zy-4yz+2xz)

here 2zy can be written as 2yz

so 5xy+7yz-3xz+2yz-4yz+2xz,

5xy + 7yz + 2yz - 4yz - 3xz + 2xz

5xy + 5yz - xz