3 3 / 2 \ 2 2
a - b + a*\- b + 2*b*y/ + y*b + a *(b + y)
a3+a2(b+y)+a(−b2+2by)−b3+b2y 3 3 2 2 2 2
a - b + b*a + y*a + y*b - a*b + 2*a*b*y
a3+a2b+a2y−ab2+2aby−b3+b2y 3 3 / 2 \ 2 2 2
a - b + b*\a + 2*a*y/ + y*a + y*b - a*b
a3+a2y−ab2−b3+b2y+b(a2+2ay) 3 3 2 / 2 2 \ 2
a - b + b*a + y*\a + b + 2*a*b/ - a*b
a3+a2b−ab2−b3+y(a2+2ab+b2) 3 3 / 2 \ 2 2 2
a - b + a*\- b + 2*b*y/ + b*a + y*a + y*b
a3+a2b+a2y+a(−b2+2by)−b3+b2y 3 3 / 2 \ 2 2
a - b + b*\a + 2*a*y/ + y*a + b *(y - a)
a3+a2y−b3+b2(−a+y)+b(a2+2ay)