Question

If we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and –3xz + 5x – 2xy, then the answer is:

1) 5xy + 9yz +3zx + 5x – 4y

2) 5xy + 10yz +3zx + 15x – 4y

3) 5xy – 9yz +3zx – 5x – 4y

4) 5xy + 10yz +3zx + 5x – 6y

pls answer it fast.

Answer 1

Step-by-step explanation:

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