Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.4 - Polynomials - Exercise Set - Page 56: 9


$11x^3+7x^2-12x-4$ degree: 3

Work Step by Step

$ (-6x^3 + 5x^2 - 8x + 9) + (17x^3 + 2x^2 - 4x - 13) =11x^3+7x^2-12x-4$ For monomials with the same power, you can add their coefficients to combine them. The degree of a polynomial is the highest power.
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