Question

y = (x ^ 2)/(x ^ 3 - 27)​

Answer 1

$y = \frac{( {x}^{2}) }{ ({x}^{3} - 27) } \\ \\ 0 = \frac{ {x}^{2} }{ {x}^{3} - 27} \\ \\ 0 = \frac{ {x}^{2} }{ {x}^{3} - 27} :| x = 3 \\ \\ \frac{ {x}^{2} }{ {x}^{3} - 27} = 0 \\ \\ {x}^{2} = 0 \\ \\ x = 0$