Jawabanmu

2014-05-23T23:15:01+07:00
Titik balik/ titik puncak
a = 3 . b = -6 c= -2

p (b/-2a ; D/-4a)
( (-6/ -2.3) ; ((b² - 4ac)/-4a) )
((-6/-6 ) ; (36+24)/-12))
(1; 60/-12)
(1;(-5)) 

x = 1
y = -5 
 
1,-5