Answer
$12x^{4}+25x^{2}+7$
Work Step by Step
$(3x^{2}+1)(4x^{2}+7)=3x^{2}(4x^{2}+7)+1(4x^{2}+7)=(3x^{2})(4x^{2})+(3x^{2})(7)+(1)(4x^{2})+(1)(7)=12x^{2+2}+21x^{2}+4x^{2}+7=12x^{4}+21x^{2}+4x^{2}+7=12x^{4}+25x^{2}+7$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Section 5.5 - Multiplying Polynomials - Exercise Set - Page 379: 37
Update this answer!
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.
