(5c²+5cd)+(4c²d-2cd-6)+(-cd+8)

2 answers

(5c²+5cd)+(4c²d-2cd-6)+(-cd+8)
= 5c²+5cd+4c²d-2cd-6-cd+8

= 5c^2 + 4c^2d + 2cd + 2
5c/2cd