Question

Add:-

5m-7n, 3n-4m+2, 2m-3mn-5, 7m+2n-5mn.​

Answer 1

Answer:

5m-7n+3n-4m+2+2m-3mn-5+7m+2n-5mn=

5m-2n-3-8mn

Answer 2

Answer:

10m-2n-8mn-3

Step-by-step explanation:

You have to add all the identical terms

(5m-4m+2m+7m) + (-7n+3n+2n) + (-3mn-5mn) - 5+2

= 10m + (-2n) + (-8mn) - 5+2

= 10m-2n-8mn-3

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