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= (34)2 =(30 + 4)2 let 30=a and 4=b =(a + b) 2 =a2 +2ab + b2 =(30)2 + 2(30 x 4) + (4)2 = 900 + 2(120) + 16 = 900 + 240 + 16 = 1156 By the way, I used this long method to demonstrate application, so you can use this for any number. This method is called the Binomial Expansion.

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16y ago

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