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 - Lesson Check: 8

Answer

If we write the product of two numbers in the form of (a+b)(a-b) then we can multiply them by using mental math, making it more efficient.

Work Step by Step

If we write the product of two numbers in the form of (a+b)(a-b) then we can multiply them by using mental math, making it more efficient. For example: =$24\times16 $ = (20+4)(20-4) = (20^{2}) - (4^{2}) = 400 - 16 = 384
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