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6 January, 10:36

Which of the following expressions results in 0 when evaluated at x = 4?

O A. (x - 10) (x - 4)

OB. (x + 4) (x - 10)

O C.

(x + 6) (x - 2)

OD. 4x (x-6)

+4
Answers (2)
  1. 6 January, 10:41
    0
    A. (x - 10) (x - 4)

    Step-by-step explanation:

    Let x=4

    O A. (4 - 10) (4 - 4) = - 6 * 0 = 0

    OB. (4 + 4) (4 - 10) = 8 * - 6 = - 48

    O C. (4 + 6) (4 - 2) = 10 * 2 = 20

    OD. 4*4 (4-6) = 16*-2 = - 32
  2. 6 January, 10:42
    0
    A. (x - 10) (x - 4)

    Step-by-step explanation:

    The product is 0 if one of the factors is 0.

    (4 - 10) (4 - 4)

    = (4 - 10) * 0

    = 0
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