Question

Verify the following: 18×[7+(-3)]=[18×7]+[18×(-3)]​

Answer 1

Answer:

(a) LHS =18×[7+(−3)]=18×4=72

RHS =[18×7]+[18×(−3)] =126+(−54)=72 (verified)

(b) LHS =(−21)×[(−4)+(−6)]=(−21)×(−10)=210

RHS =[(−21)×(−4)]+[(−21)×(−6)]=84+126=210 (verified)