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Mathematics, 09.03.2021 19:10 imalexiscv

Steve was asked to subtract (x2 - 3x + 4) - (3x2 + 4x - 5). His work is shown below. (x2 - 3x + 4) - (3x2 + 4x - 5)

= x2 - 3x + 4 - 3x2 + 4x - 5

= -2x2 + x - 1

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

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

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Answers: 2

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