Answer
$(3x+1)(x^2+5)$
Work Step by Step
$3x^3+x^2-15x-5=3x(x^2)+1(x^2)+(-5)3x+(-5)1=(3x+1)x^2+(3x+1)5=(3x+1)(x^2+5)$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - p.4 - Factoring Polynomials - Exercises - Page 39: 46
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