Question

Use suitable Identities and find

●( X - 5 ) ( x-5 )
●( 3x +2 ) (3x -2 )
●( 1+x )(1+x) ​

Answer 1

`.`

Explanation:

IdEnTiTy UsED

`{x}^(2) - {y}^(2) = (x + y)(x - y)`

1)

`(x - 5)(x - 5)`

=(x-5)²

2)

`(3x - 2)(3x + 2)`

`{(3 x)}^(2) - {(2)}^(2)`

`= 9 {x}^(2) - 4`

3)

`(1+x)(1+x)`

= (1+x)²