Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 8 - Polynomials and Factoring - 8-6 Factoring ax2+bx+c - Practice and Problem-Solving Exercises - Page 521: 32

Answer

Two different values are $34$ and $29$. $2(n+1)(3n+14)$ and $ (3n+4)(2n+7)$.

Work Step by Step

The given expression is $6n^2+\_n+28$ The standard form of the trinomial is $ax^2+bx+c$ Where, $a=6,c=28$ and $b=?$. Multiply $a$ and $c$. $ac=6\times 28=168$ Two possible factors are $6\times 28$ and $21\times 8$. So the values of $b$ are $6+28=34$ and $21+8=29$. The first trinomial is $\Rightarrow 6n^2+34n+28$ Factor. $\Rightarrow 2(n+1)(3n+14)$. The second trinomial is $\Rightarrow 6n^2+29n+28$ Factor. $\Rightarrow (3n+4)(2n+7)$.
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