Answer
$(y+1)^2=12(2-x)$
Work Step by Step
$y^2+2y+12x-23=0\\y^2+2y=23-12x\\y^2+2x+1=24-12x\\(y+1)^2=12(2-x)$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 7 - Conic Sections - Exercise Set 7.2 - Page 688: 94
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