[tex]\boxed{-7b-9k+6}[/tex]
Explanation:
We have the following expression:
[tex]-4b+(-9k)-6-3b+12[/tex]
First of all, we need to open parentheses:
[tex]-4b-9k-6-3b+12[/tex]
Next, combine like terms:
[tex]-4b-3b-9k-6+12 \\ \\ \therefore \boxed{-7b-9k+6}[/tex]
Learn more:
Simplify expressions: https://brainly.com/question/13378777
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