Algebra 1

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

Chapter 8 - Polynomials and Factoring - 8-7 Factoring Special Cases - Practice and Problem-Solving Exercises - Page 514: 11



Work Step by Step

Given the polynomial $d^{2}$ - 20d + 100 *** We break of the middle term into two factors that add to give -20 and multiply to give +100. The two numbers are -10 and -10. $d^{2}$ - 10d - 10d + 100 We take the GCD of the first two and the GCD of the last two terms. d(d-10) -10(d-10) We take (d-10) and factor it out which gives us. (d-10)(d-10)
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