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1 December, 05:27

Determine which binomial is not a factor of 4x^4 - 21x^3 - 46x^2 + 219x + 180.

A. x

+ 4

B. x + 3

C. x

- 5

D. 4x + 3

+4
Answers (1)
  1. 1 December, 05:28
    0
    A. x + 4

    Step-by-step explanation:

    f (x) = 4x⁴ - 21x³ - 46x² + 219x + 180

    Plug in the zero of each binomial. If it's also a zero of f (x), then that binomial is a factor of f (x).

    f (-4) = 936

    f (-3) = 0

    f (5) = 0

    f (-3/4) = 0
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