Question

Simplify:
(i) (a + b + c)2 – (a – b + c)2​

Answer 1

Answer:

4b

Step-by-step explanation:

2a+2b+2c-2a+2b-2c=4b

Answer 2

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

here is ur answer

i hope it will helps u