Question

(ii) (2a+3b+c)2 plllllllllllllllllllllllllllks helpppp

Answer 1

Answer:

(2a + 3b + c )2

4a + 6b + 2c

Step-by-step explanation:

Answer 2

Answer:

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

Step-by-step explanation:

= (2a)^2+(3b)^2+(c)^2+2×2a×3b+2×3b×c+2×2a×c

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