Answer
$-ab-2a$
Work Step by Step
In order to combine like terms, we use a form of the distributive property to rewrite the expression as $(3-4)ab-2a$
We subtract inside the parentheses: $-ab-2a$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.