Work Step by Step
Since $a=2$ and $b=-3$, we have $$(4a)(17b)=(4*17) (ab)=68 (2)(-3)\\ =-68(6)=-408 .$$
You can help us out by revising, improving and updating this answer.Update this answer
After 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.