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11 October, 09:05

Study the equation.

x² + 6x = - 4

+1
Answers (1)
  1. 11 October, 09:32
    0
    x = - 3+√5, - 3-√5 (exact roots)

    or x = - 0.76, - 5.24 to the nearest hundredth.

    Step-by-step explanation:

    x² + 6x = - 4

    Completing the square:

    (x + 3) ^2 - 9 = - 4

    (x + 3) ^2 = 5

    x + 3 = + / -√5

    x = - 3 + √5, - 3 - √5
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