Question

simplify (a+b+c)^2 - (a-b-c)^2
plz help​

Answer 1

all the options will be same ,thanks bye. please like me and will met later

Answer 2

Answer:

4ab+ 4bc

Step-by-step explanation:

Apply the formula a ^2 −b ^2 =(a+b)(a−b) to simplify the given expression.

(a+b+c) ^2 −(a−b+c) ^2

=(a+b+c+a−b+c){a+b+c−(a−b+c)}

=(2a+2c)(a+b+c−a+b−c)

=(2a+2c)(2b)

=4ab+4bc