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12 November, 12:39

Factor x^3 - 4x^2 + 7x - 28 by grouping. What is the resulting expression

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  1. 12 November, 12:55
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    Step-by-step explanation:

    x³ - 4x² + 7x - 28 = x³ - 4x² + 7x - 7*4

    = x² (x - 4) + 7 (x - 4)

    = (x - 4) (x² + 7)
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