Question

Multiply the following: (a + b - c) (a - b + c)​

Answer 1

=>(a+b−c)(a−b−c)

=>(a−c+b)(a−c−b)

=>(a−c)

2

−b

2

=>a

2

−2ac+c

2

−b

2

.

Answer 2

Answer:

a²-ab+ac+ba-b²+bc-ca+cb-c²

a²-b²-c²+2bc