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21 May, 15:25

Multiply: 3x^2-7x+4 x 5x^2+2x

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  1. 21 May, 17:54
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    Answer: 15x⁴ - 29x³ + 6x² + 8x

    Step-by-step explanation:

    (3x² - 7x + 4) (5x² + 2x)

    = (5x² + 2x) (3x² - 7x + 4)

    = 5x² (3x² - 7x + 4) + 2x (3x² - 7x + 4)

    = 15x⁴ - 35x³ + 20x²

    + 6x³ - 14x² + 8x

    = 15x⁴ - 29x³ + 6x² + 8x
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