Question

Add: 7xy + 5yz – 3zx, 4yz + 9zx – 4y , –3xz + 5x – 2xy.

Answer 1

Answer

Add 7xy + 5yz - 3zx , 4yz + 9zx - 4y and - 3xz + 5x - 2xy .

7x + 5yz - 3zx + (4yz + 9zx - 4y) + (- 3xz + 5x - 2xy)

7xy + 5yz - 3zx + 4yz + 9zx - 4y - 3xz + 5x - 2xy

By rearranging :-

7xy - 2xy + 5yz + 4yz - 3zx + 9zx - 3xz - 4y + 5x

5xy + 9yz + 3zx - 4y + 5x

Explanation:

Answer 2

Answer:

1. 5xy+9yz+9zx-4y+5x

Explanation:

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