Question

Expand using identity (3a - 4b - c)2

Answer 1

Answer:

6a - 8b - 2c

Step-by-step explanation

Answer 2

Answer:

(3a - 4b - c)²

(3a)²+(-4b)²+(-c)²+2(3a)(-4b)+2(-4b)(-c)+2(3a)(-c)

9a²+16b²+c²-24ab+8bc-6ac