HACKYOURBRAIN HACKYOURBRAIN 04-03-2019 Mathematics contestada What is the difference? x+5/2+2-x+1/x^2+2x x^2+4x-1/x(x+2) x^2+4x+1/x(x+2) 4/-1(x^2+x-2) x^2+6x+1/x(x+2)