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2 November, 18:48

1. Which is equivalent to the expression below?

(3. x2 - 2x + 5) - (2x2 - 5x + 1)

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Answers (2)
  1. 2 November, 18:56
    0
    x = 6

    x = 1

    Step-by-step explanation:

    (3x² - 2x + 5) - (2x² - 5x + 1)

    = 3x² - 2x² - 2x - 5x + 5 + 1

    = x² - 7x + 6

    = (x - 6) (x - 1)

    x - 6 = 0

    x = 6

    x - 1 = 0

    x = 1
  2. 2 November, 19:13
    0
    x^2 + 3x + 4

    Step-by-step explanation:

    (3. x2 - 2x + 5) - (2x2 - 5x + 1) Combine like terms: x^2, x and constants:

    3x^2 - 2x^2 - 2x + 5x + 5 - 1

    This condenses to

    x^2 + 3x + 4
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