How would you wash a pair of slacks that dry clean only?

Question

This pair of slacks is a rayon/nylon/span-

dex blend that has blood in it.

Answer 1

Woolite on gentle cycle in cold water.

Answer 2

I wash my dry clean only stuff in cold water on the gentle cycle with woolite.  Also, I have a bunch of the mesh laundry pouches and I put each item in its own pouch (to keep them from getting pulled/tangled)

Answer 3

of course.