Answer:
(x-9)
Step-by-step explanation:
factoring out [tex]\frac{1}{10}[/tex] from [tex]\frac{1}{10}x[/tex] leaves 1x which can be written as just x. factoring [tex]\frac{1}{10}[/tex] from [tex]\frac{9}{10}[/tex] gives you just 9.
so [tex]\frac{1}{10} (x-9)[/tex].
