Answer
$8x^5-40x^3+3x^2-15$
Work Step by Step
I use the FOIL method:
$(8x^3+3)(x^2-5)=8x^5-40x^3+3x^2-15$
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.