Algebra 1

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

Chapter 8 - Polynomials and Factoring - 8-5 Factoring X(squared) + bx + c - Practice and Problem-Solving Exercises - Page 503: 25



Work Step by Step

Given the polynomial $w^{2}$ - 7w - 8 *** We break of the middle term into two factors that add to give -7 and multiply to give -8. The two numbers are -8 and +1. $w^{2}$ - 8w + 1w - 8 We take the GCD of the first two and the GDC of the last two terms. w(w-8) +1(w-8) We take (w-8) and factor it out which gives us. (w-8)(w+1)
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