Evaluate (1005)^2-995×994 using a^2-b^2=(a+b)(a-b)
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0
Answer:
Step-by-step explanation:
Answered by
4
Answer:
20995
Step-by-step explanation:
- 1005²- 995×994 =
- 1005²-995×994-995+995=
- 1005² -995² +995=
- (1005+995)×(1005-995)+995=
- 2000×10+995=
- 20000+995=20995
Answer: 20995
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