anonymous
  • anonymous
9^x - 6 x 3^x - 27 = 0 then x is
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Hero
  • Hero
Start with x = 1 If that doesn't work, try x = 2 ..and so on.
Hero
  • Hero
@yashkhatri
anonymous
  • anonymous
hint assume 3^x = a and hence 9^x = (3^2)^x =(3^x)^2=a^2 the above equation reduces to a^2 -6a-27=0 first solve for a and hence for x......

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