Question

Giúp mk vs ạ 

Answer 1

`1)3x-2022y=3(x-674y)`

`2)x^2-9=(x-3)(x+3)`

`3)3x-3+ax-a=3(x-1)+a(x-1)=(x-1)(3+a)`

`4)x^3-8=(x-2)(x^2+2x+4)`

Answer 2

1)=3(x-674y)       2)=(x+3)(x-3)         3)=3(x-1)+a(x-1)=(x-1)(3+a)        4)=(x-2)(x2+2x+4)