Answer
$\frac{10y+5-y^{3}}{y^{2}(2y+1)}$
Work Step by Step
$\frac{5}{y^{2}}$-$\frac{y}{2y+1}$=
$\frac{5(2y+1)}{y^{2}(2y+1)}$-$\frac{y*y^{2}}{(2y+1)y^{2}}$=
$\frac{5(2y+1)-y^{3}}{y^{2}(2y+1)}$=
$\frac{10y+5-y^{3}}{y^{2}(2y+1)}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 7 - Section 7.4 - Adding and Subtracting Rational Expressions with Different Denominators - Exercise Set - Page 515: 12
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