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13-02-2018
Mathematics

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Simplify: (5x2 − 4x + 7) − (2x2 − 3x − 4)

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Аноним Аноним

13-02-2018

(5x^2 - 4x + 7) - (2x^2 - 3x - 4)
= 5x^2 - 4x + 7 - 2x^2 + 3x + 4
= 3x^2 - x + 11

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