Respuesta :
y = 9x^2 - 4
x = 9y^2 - 4
x + 4 = 9y^2
(x+4)/9 = y^2
plus or minus
\sqrt{((x + 4) \div 9} = y
x = 9y^2 - 4
x + 4 = 9y^2
(x+4)/9 = y^2
plus or minus
\sqrt{((x + 4) \div 9} = y