Question

simplify (2a -4b -5c)2^ - (2a+4b-5c)2^ step by step​

Answer 1

Answer:

Answer:I was trying but not get answered

Answer 2

Answer:

Step-by-step explanation:

$(2a -4b -5c)^{2} -(2a+4b-5c)^{2} \\((2a -4b -5c) +(2a+4b-5c))((2a -4b -5c) -(2a+4b-5c))\\(2a -4b -5c +2a+4b-5c)(2a -4b -5c-2a-4b+5c)\\(4a-10c)(-8b)\\-40ac+80bc$