Answer
$(a+4b)(a+8b)$
Work Step by Step
List the pairs of numbers whose product is 32.
1,32
2,16
4,8
Determine which pair sums to 12, since 12 is the coefficient of ab.
$4+8=12$
$a^2+12ab+32b^2=(a+4b)(a+8b)$
Algebra 1
by Hall, Prentice
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 - Lesson Check - Page 503: 4
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