What is the way to solve this one? Please explain how you got your answer.

Answer:
[tex]\frac{5x-12}{x-1}[/tex]
Step-by-step explanation:
[tex]\frac{8x-5}{x-1}[/tex]-[tex]\frac{3x+7}{x-1}[/tex]
= [tex]\frac{8x-5-3x-7}{x-1}[/tex]
= [tex]\frac{5x-12}{x-1}[/tex]