WHAT IS X^2+3X-10=0 IN SIMPLEST RADICAL FORM

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03-09-2015
Mathematics

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WHAT IS X^2+3X-10=0 IN SIMPLEST RADICAL FORM

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Panoyin Panoyin · Answer 1 · 2015-09-03T00:10:37+02:00

      x² + 3x - 10 = 0
          x = -(3) ± √((3)² - 4(1)(-10))
      2(1)
      x = -3 ± √(9 + 40)
   2
      x = -3 ± √(49)
   2
      x = -3 ± 7
      2
      x = -3 + 7 U x = -3 - 7
      2    2
      x = 4 U x = -10
      2    2
      x = 2 U x = -5

Solution Set: {2, -5}