Answer
8s$^2$+18s-5
Work Step by Step
(4s-1)(2s+5)
4s(2s)+4s(5)-1(2s)-1(5)
8s$^2$+20s-2s-5
8s$^2$+18s-5
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.