Question

I need help with add and sub poly

Answer 1

Answe$10c^{2} +5c+4$

Step-by-step explanation:

Step 1 -(((6•(c2))-2c)-1)+((22c2+7c)+5)

Step 2-(((2•3c2) -  2c) -  1) +  (4c2 + 7c + 5)

in conclusion, you get $10c^{2} +5c+4$

I hoped i have helped u have a wonderful day or night !