(x2+3)2
x4+6x2+9
(3x-6y+8x)-(8x+9)
3x-6y-9
6x+8x+7+2
14x+9
(4xy-6x)/ (2x)
2y-3
(x+2)2-(x+2)(x-2)
4x+8
(x2+3xy+8)(-6+8y)
-6x2-18xy-48+8x2y+24xy2+64y
7x2y-8xy-(8x2y-7xy-9)
x2y-xy+9
7xy+8x2y-8xy+7x2y+8
15x2-xy+8
((1/2)x2y+x-3y-2)/((1/4)(x3y2))
2/(xy)+4/(x6y4)
6x1/2+18+(x1/2+3)2
x+9x1/2+27
(x/3+y/6)(x/2+y/5)
(30x2+27xy+6y2)/180
x/3+y/5-(-x/2)
5x/6+y/5
(1/2)(x+y)/4+3(x/2+6y/4+2/3)
13x/8+37y/8+2
((x+3)2y+(x+5)53x)/(x+3)-2
(x+3)4y+(x+3)73x
((x+2)(3x+6y+2)-(6x(y+41/2))/(2x-1)
3x3+4x2+4x
(x1/2+3)(x1/2+3y+91/2)
x+3x1/2y+6x1/2+9y+9
(x/3+y/5)2-((x+8)/2)
x/6+2y/5-4
(x/2+y/3)+(x+5y)
3x/2+16y/3
(6x2y+8x-2z-8x1/2y)/(41/2x3/2y)
3x1/2+4z/(x7/2y)-4/x
((xy)3/2+(y1/2x)2/3)2-xy3
2x13/6y11/6+y2/3x4/3
((x+3)1/2-(3x+2)1/2)((x+3)1/2+(3x+2)1/2)
-2x+1
(x+y+8)-(1/3)(-x+24)
4x/3+y
3x+8y+(1/2)(3x/6+4y/2)
13x/4+9y
((x+1)2+(x+1)33x)/(x+1)2
3x2+3x+1
(16xy)1/2+((1/2)x+6y)2+(x1/2y1/2-2)2
x2/4+7xy+36y2+4