Answer:
[tex]3 {x}^{2} y - {y}^{2} [/tex]
[tex]y(3 {x}^{2} - y)[/tex]
is the answer
[tex]3x {}^{2}y - y {}^{2} \\ 3x {}^{2} - \frac{y {}^{2} }{y} \\ 3x {}^{2} - y[/tex]
Step-by-step explanation:
