darkpain6098 darkpain6098

23-05-2018
Mathematics

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Bonus solve the equation aݔ ଶ + 7x – 4 = 0 for x by using the quadratic formula.

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tramserran tramserran

23-05-2018

   x² +   7x   - 4 = 0
a = 1, b = 7, c = -4

x = [-b +/- √(b² - 4ac)]/2a
   = [-7 +/- √(49 + 4)]/2
   = (-7 +/- √53)/2

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