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22 October, 20:00

Which expression is equivalent to (x2 - 2x) (3x^2 + 4x - 7) ?

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  1. 22 October, 22:10
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    3x^4-2x^3 + (-15) x²-14x

    Step-by-step explanation:

    hello:

    (x² - 2x) (3x² + 4x - 7) = 3x^4+4x^3-7x²-6x^3-8x²-14x

    = 3x^4 + (4-6) x^3 + (-7-8) x²-14x

    = 3x^4-2x^3 - 15x²-14x
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