Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Appendix A - Review - A.4 Factoring Polynomials - A.4 Assess Your Understanding - Page A40: 52



Work Step by Step

By grouping the first two terms and the second two terms and then taking common factors, we have $$ 3x^2 - 3x + 2x - 2=3x(x-1)+2(x-1)=(x-1)(3x+2) .$$
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