Question

(6a +5b+ 4c)² – (6a - 5b - 4c)²​

Answer 1

Answer:

a²-b²=(a+b)(a-b)

Step-by-step explanation:

(6a+5b+4c+6a-5b-4c)(6a+5b+4c-6a+5b+4c)=12a×[10b+8c]=. (120ab+96ac) ans---(120ab+96ac)