Answer
$(d-3)(d-15)$
Work Step by Step
Factor each expression.
$d^{2}-18d+45$
Find two numbers that multiply to $45$ and add up to $-18$
$-3\times-15=45$
$-3-15=-18$
Factor:
$(d-3)(d-15)$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 8 - Polynomials and Factoring - Chapter Review - 8-5 and 8-6 Factoring Quadratic Trinomials - Page 525: 51
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