Multiply using suitable properties

Dear student, Please find solution below :
i ) - 256 x 104 = - 256 x ( 100 + 4 )
Using Distributive Law to solve
 ( - 256 x 100 ) + ( - 256 x 4 )
- 25600 - 1024
- 26624
ii ) 995 x ( - 49 )
( - 49 ) x ( 1000 - 5)
Using Distributive law
 { ( - 49 ) x ( 1000 ) - ( - 49 ) x ( 5 ) }
{ -49000 + 245 }
- 48755
Regards