Question

$frac{ 2x^{2} +4x-6 }{ x^{2} -9}$ Очень срочно ребят

Answer 1

$frac{2 x^{2} +4x-6}{ x^{2} -9}= frac{2( x^{2} +2x-3)}{ x^{2} -9}= frac{2(x+3)(x-1)}{(x-3)(x+3)}= frac{2(x-1)}{x-3}$