12.1²-7.9² using a²-b²= (a+b) (a-b)
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no. one is answer to my question and in step by step plz
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Answered by
1
Answer: 84
Step-by-step explanation:
12.1²-7.9² = (12.1 + 7.9)(12.1 - 7.9)
=20 * 4.2
= 84
Answered by
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