1.

Questions4. Verify the following:(i) 18 x [9 +(-7)]= 18 x 9 +18 x (-7)(ii) (-13) x [(-6) + (-19)]= (-13) × (-6) + (-13) X (-19)​

Answer»

i

18×[9+(-7)]=18×9+18×(-7)

=18×[9-7)=162+(-126)

=18×2=162-126

=36=36

proved

ii

=(-13)×[(-6-19)]=78+247

=-13×-25=325

=325=325

proved

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