Question

please and this. and explane this please​

Answer 1

$= \frac{14 {x}^{2} {y}^{6} - 21 {x}^{6} {y}^{5} }{ - 7 {x}^{3} {y}^{4} } \\ = \frac{7 {x}^{2} {y}^{5}(2y - 3 {x}^{4} )}{ - 7 {x}^{3} {y}^{4} } \\ = - \frac{y(2y - 3 {x}^{4} )}{x}$

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