Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 8 - Polynomials and Factoring - 8-7 Factoring Special Cases - Mixed Review - Page 516: 68

Answer

3m

Work Step by Step

Given the polynomial $9m^{3}$ + $15m^{2}$ - 21m We find the factors of all the terms in the polynomial. Factors of 9: 1,3,9 $1 \times 9 ; 3 \times 3$ Factors of 15: 1 ,3, 5, 15 $1 \times 15 ; 3 \times 5$ Factors of 4: 1, 3, 7, 21 $1 \times 21 ; 3 \times 7$ All the three terms have the factor of 3m and thus the greatest common factor is 3m.
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