Answer:
Step-by-step explanation:
[tex]\frac{6}{x-6}+3\frac{x}{x+5} -\frac{1}{(x-6)(x+5)}\\=\frac{6(x+5)+3x(x-6)-1}{(x-6)(x+5)} \\=\frac{6x+30+3x^{2}-18x-1 }{(x-6)(x+5)} \\=\frac{3x^{2}-12x-1 }{(x-6)(x+5)}[/tex]
