( 1 + 2 + 3 + ... + 8 + 9 + 10 ) x ( 6 x 8 - 48 )
= ( 1 + 2 + 3 + ... + 8 + 9 + 10 ) x ( 48 - 48 )
= ( 1 + 2 + 3 + ... + 8 + 9 + 10 ) x 0 = 0
=(1+2+3+.....+8+9+10) x (48-48)
=(1+2+3+.....+8+9+10) x 0
= 0
(1 + 2 + 3 + ... + 8 + 9 + 10) x (6 x 8 - 48)
= (1 + 2 + 3 + ... + 8 + 9 + 10) x (48 - 48)
=(1 + 2 + 3 + ... + 8 + 9 + 10) x 0
= 0