3: Simplify each of the following: (i) 175 x 175 +2 x 175 x 25 + 25 x 25 (ii) 322 x 322 – 2 x 322 x 22 + 22 x 22 (iii) 0.76 x 0.76 + 2 x 0.76 x 0.24 + 0.24 x 0.24
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