How do I evict my adult sons from my home?

Question Details:

My 2 sons (22 and 25) live at home. My younger son has a part-time job and tries to contribute where he can financially (not much but it's the effort that counts to me). My older son is an absolute slob who hasn't worked in over 4 years. He doesn't contribute and expects to be paid to shampoo my rugs, wash windows etc. I'm newly single and am struggling. I've had it with this low-life lifestyle they live and would prefer to live alone. Sending a formal eviction notice won't work; they won't sign (tried). What are my options? Important Notice