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31 October, 08:29

Use synthetic division to find the remainder.

When x^4 - 2x^3 - 3x^2 - 4x - 8 is divided by x - 2

-28

20

-20

+2
Answers (1)
  1. 31 October, 08:57
    0
    - 28

    Step-by-step explanation:

    (x⁴ - 2x³ - 3x² - 4x - 8) / (x - 2)

    (x⁴ - 2x³ - 3x² - 4x - 8) - (x³ (x - 2)) = x⁴ - 2x³ - 3x² - 4x - 8 - x⁴ + 2x³ = - 3x² - 4x - 8

    ( - 3x² - 4x - 8) - (-3x (x - 2)) = - 3x² - 4x - 8 + 3x² - 6x = - 10x - 8

    (-10x - 8) - ((-10) (x - 2)) = - 10x - 8 + 10x - 20 = - 28 Remainder
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