14x3
3a2
-a2+7a2+8a2-11a2
-17x2y2
-7b2-6b2-8b2-5b2
-9x2y2+6x2y2-11x2y2-3x2y2
3a2-5a2+8a2-9a2
3x3+2x3-6x3+15x3
-12xy2
5a2b+6a2b+8a2b-15a2b
-26b2
n4
8n4-2n4+n4-15n4+9n4
-3a2
4a2b
-9xy2-7xy2+8xy2+2xy2-6xy2
