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16 December, 12:00

Which of the following is equivalent to the quadratic equation below after completing the square?

x^2+4x=0

A. (x+4) ^2=4

B. (x+2) ^2=16

C. (x+4) ^2=8

D. (x+2) ^2=4

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Answers (1)
  1. 16 December, 12:24
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    X^2 + 4x = 0

    x^2 + 4x + 4 = 0 + 4

    (x + 2) ^2 = 4
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