Answer
$5(x^2-15x+12)$
Work Step by Step
$5x^2-75x+60$
$5(x^2-15x+12)$
Factors of 12: 1 and 12, 2 and 6, 3 and 4, -1 and -12, -2 and -6, -3 and -4
Since no pairs of factors add up to -15, the polynomial $x^2-15x+12$ cannot be factored.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Section 6.3 - Factoring Trinomials of the Form ax2+bx+c - Exercise Set - Page 436: 50
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