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26 March, 00:49

1

Solve for x.

(x - 4) (x - 4) = 0

A.

-16

B.

-4

C.

4

D.

16

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+3
Answers (2)
  1. 26 March, 00:54
    0
    x = {4, 4}

    Step-by-step explanation:

    (x - 4) (x - 4) = 0 has two real, equal roots: x = 4 and x = 4. Notice that subbing 4 for x in this equation results in a TRUE equation.
  2. 26 March, 00:58
    0
    (x-4) (x-4) = 0

    x-4 = 0, x-4 = 0

    x-4+4 = 0+4, x-4+4 = 0

    x = 4, x = 4

    Answer is x = 4 (C.)
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