Question

2. Verify the following:
(a) 18 [7 + (-3)]​

Answer 1

Step-by-step explanation:

(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

Answer:

Answer is 72

Step-by-step explanation:

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