Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - Chapter 5 Review Problem Set - Page 230: 22

Answer

$3x^2+10x+7$

Work Step by Step

RECALL: For any real numbers a, b, and c: $a(b+c)=ab + ac$ Use the distributive property (which is shown above) to obtain: $=3x(x+1) + 7(x+1) \\=3x(x) + 3x(1) + 7(x) + 7(1) \\=3x^2+3x+7x+7 \\=3x^2+(3+7)x+7 \\=3x^2+10x+7$
Update this answer!

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.

GradeSaver will pay $15 for your literature essays
GradeSaver will pay $25 for your college application essays
GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical
GradeSaver will pay $10 for your Community Note contributions
GradeSaver will pay $500 for your Textbook Answer contributions