Question

Помогитееее сроооочнооо плииис​

Answer 1

$\frac{12 {x}^{5} }{ {x}^{2} - y} \times \frac{x - 3}{6 {x}^{3} } = \frac{12 {x}^{5} \times (x - 3) }{ ({x}^{2} - y) \times 6 {x}^{3} } = \frac{2 {x}^{2} \times (x - 3)}{ {x}^{2} - y } = \frac{2 {x}^{3} - 6 {x}^{2} }{ {x}^{2} - y }$