Answers

  • Brainly User
2016-06-20T22:58:57+08:00
2x² - 38 + 168 = 0

2x² + 130 = 0

2x²/2 = -130/2

x² = - \sqrt{ x^{2} } =  \sqrt{-65}

x = + i \sqrt{65}     and      x = - i  \sqrt{65}


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You were very helpful! Thank you very much.
You're welcome :-)