Answer
Answer: $-4x^{2}$
Work Step by Step
$-5x^{2}+x^{2}$
= $x^{2}(-5+1)$
= $x^{2}(-4)$
= $-4x^{2}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 13 - Section 13.2 - The Ellipse and the Hyperbola - Exercise Set - Page 940: 47
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