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24 January, 21:38

Expand and simplify

(2x + 3) (4x + 5) - 8x (x² - 2)

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Answers (1)
  1. 24 January, 23:42
    0
    -8x^3 + 8x^2 + 38x + 15

    Step-by-step explanation:

    (2x + 3) (4x + 5) - 8x (x² - 2)

    8x^2 + 10x + 12x + 15 - 8x^3 + 16x

    8x^2 + 38x + 15 - 8x^3

    -8x^3 + 8x^2 + 38x + 15
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