Question

I posted this before but could not understand the answer. How do I write the solution set of:

{x| } for (x+20)(x -10)(x+11)>0

Answer 1

Would someone please verify my answer for the solution set of (x+20)(x -10)(x+11)>0, {x|(-20,-11)<x<(10, ‡)}

Answer 2

Would someone please verify my answer for the solution set of (x+20)(x -10)(x+11)>0, {x|(-20,-11)<x<(10,infinity sign)}