Answer: y= 7 & y=5
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
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