Question

class 8th maths
please give me the correct answer

Add : 7xy - 5yz-3zx , 4yz - 4xy + 3xz , yz - 3 xy

11xy

12xy + 10yz - 6xz

none of these​

Answer 1

None of these

Step-by-step explanation:

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

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

7xy - 7xy - 5yz + 5yz - 3zx + 3xz

-3zx + 3xz

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