Answer
$3x^{2}-5x^{2}y+9$
Work Step by Step
Step 1: $(3x^{2}-4x^{2}y+5)-(x^{2}y-4)$
Step 2: $3x^{2}-4x^{2}y+5-x^{2}y+4$
Step 3: $3x^{2}-4x^{2}y-x^{2}y+5+4$
Step 4: $3x^{2}-5x^{2}y+9$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Appendix A - Exercise Set - Page 975: 34
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