#### Answer

$(r+10)(r-4)$

#### Work Step by Step

Factor each expression.
$r^{2}+6r-40$
Find two numbers that multiply to $-40$ and add up to $6$
$10\times-4=-40$
$10-4=6$
Factor
$(r+10)(r-4)$

Published by
Prentice Hall

ISBN 10:
0133500403

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

$(r+10)(r-4)$

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