Question

(3a-2b-c)² expend the following using subtitle​

Answer 1

Answer:

{(3a-2b)-c}^2

= (3a-2b)^2- 2.(3a-2b).c +c^2

= (3a)^2- 2.3a.2b +(2b)^2 -6ac+4bc +c^2

= 9a^2 - 12ab + 4b^2 - 6ac +4bc +c^2

= 9a^2 - 12ab + 6ac +4bc + 4b^2 + c^2

Answer 2

Answer:

answer given above....