Question

[Nguyen Anh Duc]

rút gọn (x+2)^2 - (x+4)(x+1)

Answer 1

[⭐Hannie⭐]

`(x+2)^2-(x+4)(x+1)`

`=x^2 +2*x*2+2^2 - (x^2+x+4x+4)`

`=x^2+4x+4-x^2-x-4x-4`

`= (x^2-x^2)+(4x-x-4x)+(4-4)`

`= -x`

Answer 2

[Nguyen Anh Duc]

thank