Algebra 1

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

Chapter 11 - Rational Expressions and Functions - Get Ready: 13

Answer

$p = -4/3$ or $p = 5$

Work Step by Step

$3p^2-11p-20$ The coefficient 3 multiplies with -20 to get (-60) $-15 * 4 = -60$ $-15 + 4 = -11$ $3p^2 -15p+4p-20$ $3p(p-5)+4(p-5)$ $(3p+4)(p-5)$ $3p+4=0$ $3p=-4$ $p=-4/3$ or $p-5=0$ $p=5$ Therefore, p equals either $-4/3$ or $5$
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