Practice problem
What is the solution set of the following equation? x+4x=3x + \sqrt{4x} = 3x+4x=3
∅\emptyset∅ (no solution)
{1}\{1\}{1}
{9}\{9\}{9}
{1,9}\{1,9\}{1,9}
Type a concept, like “slope” or “photosynthesis”.