How do you combine like terms in $(9m - 5) - ( 9m + 5)$ ?

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Answer 1 · 2016-11-02T00:45:42

This expression simplifies to $-10$ .

Begin by distributing the negative to the second binomial. Then you can combine like terms.

$(9m - 5) - (9m + 5)$
$9m - 5 - 9m - 5$
$-10$

Remember that $9m - 9m = 0$ .

How do you combine like terms in (9m - 5) - ( 9m + 5)(9m - 5) - ( 9m + 5)?