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4) Use the difference of two squares method to evaluate 120squared - 119 squared ​
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5 votes
4) Use the difference of two squares method to evaluate 120squared - 119 squared
​

User Rahul Hirve
by
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1 Answer

4 votes

Answer:

239

Explanation:


120^2-119^2\\=(120+119)(120-119)\ [a^2-b^2=(a+b)(a-b)]\\=239

User Fadi
by
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