Answers

  • Brainly User
2016-06-18T12:34:34+08:00
(x + 7) (x - 7) = -3

x² - 49 = -3

x² = -3 + 49

x² = 46

 \sqrt{ x^{2} } =  \frac{+}{-} \sqrt{46}

ANSWER:  x =  +\sqrt{46}   and  -\sqrt{46}
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