(-6 - y)² - 12y = 36 + 12y + y² - 12y = y² + 36
y = √3 (√3)² + 36 = 3 + 36 = 39
(−6−y)^2−12y=(6+y)^2-12y=36+12y+y^2-12y=36+y^2
y=V3 36+(V3)^2=36+3=39
(-6 - y)² - 12y = 36 + 12y + y² - 12y = y² + 36
y = √3 (√3)² + 36 = 3 + 36 = 39
(−6−y)^2−12y=(6+y)^2-12y=36+12y+y^2-12y=36+y^2
y=V3 36+(V3)^2=36+3=39