Kembangkan : 4 ( 3 + 6e )

Kembangkan  $\left(x+1\right)\left(x-1\right)$  
Expand  $\left(x+1\right)\left(x-1\right)$  

(3p+2)²

Kembangkan  $\left(y+3\right)\left(y-2\right)$ 
Expand  $\left(y+3\right)\left(y-2\right)$ 

Kembangkan : ( m + 5 ) ( m - 3 )

 $\left(4x-y\right)^2\ =$