Question

$(51) 2 - (49)2$
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Answer 1

Step-by-step explanation:

(51) 2 - (49)2

102-98

4

done

Answer 2

$(51 \times 2 = 102) - (49 \times 2 = 98) \\ 102 - 98 = 4 \\ hope \: it \: hlps \: you$