Answer
$x^7$
Work Step by Step
$x^3\times x^4=(x\times x\times x)\times(x\times x\times x\times x)=x^{3+4}=x^7$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 5 - Section 5.1 - Adding and Subtracting Polynomials - Exercise Set - Page 351: 126
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