Question

Help
me please......

Answer 1

The correct answer is the last one -18

Answer 2

`\huge \bf༆ Answer ༄`

Here's the solution ~

• 
  `\sf( {a}^(2) - b {}^(2) ) = (a + b)(a - b)`

[ by using identities ]

• 
  `\sf{(a + b)(a - b)}`

• 
  `(6) * ( - 3)`

• 
  `\sf - 18`