Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 8 - Mid-Chapter Check Point: 6

Answer

13

Work Step by Step

$(\sqrt{10}+\sqrt3)(\sqrt{10}-\sqrt3)$ Use the FOIL method to multiply the binomials. $(\sqrt{10}\times\sqrt{10})+(\sqrt{3}\times\sqrt{10})+(-\sqrt3\times\sqrt{10})+(\sqrt3\times\sqrt3)$ Use the product rule for square roots. $10+\sqrt{30}-\sqrt{30}+3$ Combine like terms. $13$
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