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Landrie wrote 7(2m + n) = 14m + n. What error did Landrie make? How should the expression be simplified?

1 Answer

4 votes

Answer:


14m + 7n

Explanation:

Landrie didn't expand the parenthesis properly using the Distributive Law.
It should be expanded as shown below:


7(2m + n) = (7)(2m) + (7)(n)

=
14m + 7n

User Arnoud Buzing
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