Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Prerequisites - p.4 - Factoring Polynomials - Exercises - Page 39: 33

Answer

(x+2)(x-1)

Work Step by Step

Expression : $x^{2} + x - 2$ $x^{2} + x - 2 = x^{2} -x + 2x - 2$ (split middle term) $x^{2} -x + 2x - 2 = x(x-1) +2(x-1) $ Common factor = (x-1) $x(x-1) +2(x-1) = (x-1)(x+2)$
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