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What is 4 (m + n) -5 (m - n) ?

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Answer:

Explanation:

for this situation we do distributive property{in distributive property [in this situation ] we will (multiply 4 by m & n) - (multiply 5 by m & n)=

4m + 4n - 5m - 5n =

(4m -5m) - (4n - 5n) =

-1m - (- 1n) =

-1m + 1n

and always remember to go in alphabetical order = m comes before n, x comes before y or z.

User Adam Straughan
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