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 - Mixed Review - Page 497: 64

Answer

$ 5x^{2}+53x+72 $

Work Step by Step

Simplify: $ (x+9)(5x+8) $ Use foil $ (x\times5x)+(x\times8)+(9\times5x)+(9\times8) $ Simplify $ 5x^{2}+8x+45x+72 $ Simplify $ 5x^{2}+53x+72 $
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