#### Answer

$ x=-12$

#### Work Step by Step

We solve by factoring:
$x^{2}+24x+144=0$
$(x+12)(x+12)=0$
$(x+12)^{2}=0$
$ x+12=0$
$ x=-12$

Published by
Brooks Cole

ISBN 10:
1305115546

ISBN 13:
978-1-30511-554-5

$ x=-12$

We solve by factoring:
$x^{2}+24x+144=0$
$(x+12)(x+12)=0$
$(x+12)^{2}=0$
$ x+12=0$
$ x=-12$

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