Question

verify [(-4)×(-7)]×(-2)=(-4)×[(-7)×(-2)]​

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)

Answer 2

multiply-2 by [(-4)x(7-)] by each term

follow Same step by 2 one

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