College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Section R.4 - Factoring Polynomials - R.4 Exercises - Page 40: 87

Answer

$(x+y)(x-5)$

Work Step by Step

Using factoring by grouping, the factored form of the given expression, $ x^2+xy-5x-5y ,$ is \begin{array}{l}\require{cancel} (x^2+xy)-(5x+5y) \\\\= x(x+y)-5(x+y) \\\\= (x+y)(x-5) .\end{array}
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