Answer
7$x^{4}$+3$x^{2}$-1
Work Step by Step
Given: (4$x^{4}$-3$x^{2}$-1)+(3$x^{4}$+6$x^{2}$)
Simplify parenthesis: 4$x^{4}$-3$x^{2}$-1+3$x^{4}$+6$x^{2}$
Combine like terms: (3$x^{4}$+4$x^{4}$)+(-3$x^{2}$+6$x^{2}$)-1
Simplify: 7$x^{4}$+3$x^{2}$-1
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - 8-2 Multiplying and Factoring - Practice and Problem-Solving Exercises - Page 496: 50
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