Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 8 - Polynomials and Factoring - 8-4 Multiplying Special Cases - Practice and Problem-Solving Exercises - Page 496: 29

Answer

$100-y^2$

Work Step by Step

Remember that the product of the sum and difference of the same two terms is the difference of their squares. $(10+y)(10-y)=100-y^2$
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