[tex]\sf \displaystyle \frac{8x^6}{-2x^2}\\\\\\\sf \boldsymbol{\sf Aplicar\:as\:propriedades\:das\:frações\iff \quad \frac{a}{-b}=-\frac{a}{b}}\\\\\\\sf -\frac{8x^6}{2x^2}\\\\\\\boldsymbol{\sf Dividir\iff\:\frac{8}{2}=4}\\\\\\\sf \frac{4x^6}{x^2}\\\\\\\sf \boldsymbol{\sf Aplicar\:as\:propriedades\:dos\:expoentes\Rightarrow\quad \frac{x^a}{x^b}=x^{a-b}}\\\\\\\sf \frac{x^6}{x^2}=x^{6-2}\\\\\\\sf 4x^{6-2}\\\\\\\boxed{\sf S_1=\{-4x^4\}}[/tex]
