How do you simplify $3 (4 + 5s ) - 12 + ( - 3s )$ ?

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Answer 1 · 2016-07-08T23:13:34

12s

Notice that there are three terms. We need to remove the brackets and then collect the like terms together.

$12+15s - 12 -3s$

= $12s$
12 and -12 are additive inverses and add to 0.

How do you simplify 3 (4 + 5s ) - 12 + ( - 3s )3 (4 + 5s ) - 12 + ( - 3s )?