College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.5 - Factoring Polynomials - R.5 Exercises - Page 58: 134



Work Step by Step

We factor by grouping to obtain: $3x^{2}(3x+4)^{2}+x^{3}* 2(3x+4)* 3 =3x^{2}(3x+4)^{2}+3x^2*2x(3x+4) =3x^{2}(3x+4)[(3x+4)+2x] =3x^{2}(3x+4)(3x+4+2x) =3x^{2}(3x+4)(5x+4)$
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