Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.5 - Multiplying Polynomials - Practice: 9

Answer

$2x^3+x^2-11x+12$

Work Step by Step

$(x+3)(2x^2-5x+4)$ $=x(2x^2-5x+4)+3(2x^2-5x+4)$ $=2x^3-5x^2+4x+6x^2-15x+12$ $=2x^3+x^2-11x+12$
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