Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 9 - Cumulative Review: 29

Answer

$x=\frac{1}{5}, -\frac{3}{2}, -6$

Work Step by Step

$(5x-1)(2x^2+15x+18)=0$ $(5x-1)(2x^2+12x+3x+18)=0$ $(5x-1)(2x(x+6)+3(x+6))=0$ $(5x-1)(2x+3)(x+6)=0$ $5x-1=0$ $5x=1$ $x=\frac{1}{5}$ $2x+3=0$ $2x=-3$ $x=-\frac{3}{2}$ $x+6=0$ $x=-6$
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