Question

Evaluate 49 multiply 51 by using identify

Answer 1

Answer:

2499

Step-by-step explanation:

49×51

(50-1)(50+1)

50²-1²

2500-1

2499

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Answer 2

Answer:

Step-by-step explanation:

49*51 = 49*(50+1)    

          =49*50 + 49*1   (Distributive property of multiplication over addition)

           = 2450+49

           = 2499

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