Algebra 1

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

Chapter 8 - Polynomials and Factoring - 8-5 Factoring X(squared) + bx + c - Practice and Problem-Solving Exercises: 10

Answer

$(k+2)(k+3)$

Work Step by Step

$k^2+5k+6=(k+2)(k+\underset\uparrow?)$ $\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ $added to 2, must equal 5 $\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ $multiplied by 2, must equal 6 Let x be ?. $x+2=5$ $x+2-2=5-2$ $x=3$ $2x=6$ $2x\div2=6\div2$ $x=3$
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