shez2087 shez2087

21-11-2020
Mathematics

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

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BrainLifting BrainLifting

21-11-2020

Answer:

239

Step-by-step explanation:

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

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