Question

The value of {12-7(121-21)} is:

Answer 1

Answer:

-688

Step-by-step explanation:

{12-7(100)}

={12-700}

=-688

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Answer 2

Answer:

-688

Step-by-step explanation:

hope it helps mate

pls mark me brainliest answer

$= [12 - 7 (121 - 21)]\\\\= [12 - 7(100)]\\\\= [12 - (7*100)]\\\\= 12 - 700\\\\= -688$