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12 November, 22:44

What number must you add to complete the square? x^2+4x=3

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Answers (2)
  1. 12 November, 23:09
    0
    add 4 to each side

    Step-by-step explanation:

    x^2+4x=3

    To complete the square, take the coefficient of the x term

    4

    divide by 2

    4/2=2

    Then square it

    2^2

    4

    Add 4 to each side

    x^2+4x+4=3+4

    x^2 + 4x+4 = 7
  2. 12 November, 23:11
    0
    3

    Step-by-step explanation:

    subtract the 3 from both sides
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