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2 March, 01:28

What is the simplest form of this expression? (x - 3) (x2 + 4x + 5)

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Answers (1)
  1. 2 March, 04:45
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    x^3+x^2-7x-15

    Step-by-step explanation:

    (x-3) (x^2+4x+5)

    = (x+-3) (x^2+4x+5)

    = (x) (x^2) + (x) (4x) + (x) (5) + (-3) (x^2) + (-3) (4x) + (-3) (5)

    =x^3+4x^2+5x-3x^2-12x-15

    =x^3+x^2-7x-15
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