Respuesta :

[tex]\bf \cfrac{3x^2+21x-54}{x^2+3x-54}\implies \cfrac{3(x^2+7x-18)}{x^2+3x-54}\implies \cfrac{3\underline{(x+9)}(x-2)}{\underline{(x+9)}(x-6)} \\\\\\ \cfrac{3(x-2)}{x-6}[/tex]

Answer: 3(x-2) / x-6

Step-by-step explanation: find gcf..