Answer
$-6a^2b-q^2-3b^2$
Work Step by Step
$4a^2b-3b^2 -8q^2 -10a^2b+7q^2$
$=4a^2b-10a^2b-8q^2+7q^2-3b^2$
$=-6a^2b-q^2-3b^2$
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.