Question

(- 21 ) *[(-4) +(-6)] = [(-21*(-4)]+ [-21)*(-6)]

Answer 1

Answer:

LHS,

( - 21 ) * [ ( - 4 ) + ( - 6 ) ]

= ( - 21 ) * [ - 4 - 6 ]

= ( - 21 ) * [ - 10 ]

= 210

RHS,

[ ( - 21 ) * ( - 4 ) ] + [ ( - 21 ) * ( - 6 ) ]

= [ 84 ] + [ 126 ]

= 210 .

So LHS = RHS ( proved )

hope it helps uH ☺