Respuesta :
I think this question is not correct....pls check your question once again
Answer: y= 7 & y=5
Step-by-step explanation:
y^2-12 get half of -12 which is -6 then sq it -6 X -6 = 36 add to both sides
y^2 -12+36= -35+36
(y-6)^2= 1
Sq rt both sides
y-6=1
Add 6 to both sides
Y= 7
Y-6=-1
Add 6
Y=5