#### Answer

$\frac{(x-5)}{x}$

#### Work Step by Step

$\frac{(x^2-25)}{(x^2-4x)}*\frac{x^2+x-20}{x^2+10x+25}$
$\frac{(x-5)(x+5)}{x*(x-4)}*\frac{(x+5)(x-4)}{(x+5)(x+5)}$
$\frac{(x-5)(x+5)(x+5)(x-4)}{x*(x-4)(x+5)(x+5)}$
$\frac{(x-5)}{x}$

Published by
Prentice Hall

ISBN 10:
0133500403

ISBN 13:
978-0-13350-040-0

$\frac{(x-5)}{x}$

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