[math]3/4xyz^2-5/6x^3y-(-1/12x^3y)+xyz^2-(-1/4x^3y)-(+1/4xyz^2)+1/2x^3y[/math]
[math]3/4xyz^2-5/6x^3y+1/12x^3y+xyz^2+1/4x^3y-1/4xyz^2+1/2x^3y[/math]
[math]3/4xyz^2+(-5/6+1/12+1/4+1/2)x^3y+(1-1/4)xyz^2[/math]
[math]3/4xyz^2+(-10+1+3+6)/12x^3y+3/4xyz^2[/math]
[math]3/4xyz^2+0/12x^3y+3/4xyz^2[/math]
[math]3/4xyz^2+3/4xyz^2[/math]
[math](3+3)/4xyz^2[/math]
[math]6/4xyz^2[/math]
[math]3/2xyz^2[/math]
