If we add 7xy + 5yz − 3zx and 4yz + 9zx − 4y then ​

Question

If we add 7xy + 5yz − 3zx and 4yz + 9zx − 4y then ​

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Kennedy 1 month 2021-08-12T16:41:04+00:00 1 Answer 1 views 0

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    2021-08-12T16:42:26+00:00

    Answer:

    = 7xy + 9yx + 6zx – 4y

    Step-by-step explanation:

    (7xy + 5yz – 3zx) + (4yz + 9zx – 4y)

    = 7xy + 5yz – 3zx + 4yz + 9zx – 4y

    = 7xy + 5yz + 4yz – 3zx + 9zx – 4y

    = 7xy + 9yx + 6zx – 4y

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