Question

we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and –3xz + 5x – 2xy, then the answer is: *
2 points
5xy + 9yz +3zx + 5x – 4y
5xy – 9yz +3zx – 5x – 4y
5xy + 10yz +3zx + 15x – 4y
5xy + 10yz +3zx + 5x – 6y​

Answer 1

Answer:

20xy+yz+12zx+10x-18y