hkidder hkidder
  • 30-03-2017
  • Mathematics
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How to solve the equation 9x squared =49 by factoring

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aksareji6
aksareji6 aksareji6
  • 30-03-2017
 9x^2 - 49 = 0 
(3x-7)(3x+7) = 0 
x = 7/3 or x = -7/3 

y-3 = -3x 
(y-3)/(-3) = x, or 
(3-y)/3 = x
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