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Mathematics, 05.03.2021 05:10 lovebrain123

Fred was told to simplify (7x + 3)2. His work is below. (7x + 3)2 = (7x)2 + (3)2 = 49x2 + 9

Part A: Explain what mistake Fred made while doing the problem.

Part B: What is the correct answer to the problem Fred was given?

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Answers: 3

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Fred was told to simplify (7x + 3)2. His work is below. (7x + 3)2 = (7x)2 + (3)2 = 49x2 + 9
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