Math, asked by rinkujariwala67, 5 months ago

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

Answers

Answered by karmaan958
1

Step-by-step explanation:

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

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

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

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

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