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12 January, 13:52

Simplificar este polinómio:

(5x-3) ²-4x²-3x

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Answers (1)
  1. 12 January, 14:20
    0
    21 x² - 33x + 9

    Step-by-step explanation:

    It is required to simplify (5x-3) ²-4x²-3x

    So,

    (5x-3) ²-4x²-3x

    = (5x-3) (5x-3) - 4x²-3x

    = 25 x² - 30x + 9 - 4x² - 3x

    Combine like terms

    = 25 x² - 4x² - 30x - 3x + 9

    = 21 x² - 33x + 9

    (5x-3) ²-4x²-3x in a simplified form is⇒ 21 x² - 33x + 9
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