Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 8 - Polynomials and Factoring - 8-7 Factoring Special Cases - Practice and Problem-Solving Exercises - Page 526: 20



Work Step by Step

$49g^{2}-84g+36=$ ...write first and last terms as squares. $=(7g)^{2}-84g+6^{2}$ ...does middle term equal $2ab$? $84g=2\cdot(7g)\cdot(6)$ $=(7g)^{2}-2\cdot(7g)\cdot(6)+6^{2}$ ...write as the square of a binomial. $=(7g-6)^{2}$
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