anonymous
  • anonymous
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Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
HINT: \( \left( \frac 1{27} \right) ^{3x} = 3^{-9x}\) now we can compare them :)
apoorvk
  • apoorvk
|dw:1332504148645:dw| oops in the last part 1/27 will become 3^(-3x) not "-2x" x^2+20=-9x now solve the quadratic and enjoy!!
anonymous
  • anonymous
@apoorvk: That's an incorrect answer.

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apoorvk
  • apoorvk
yeah i have mentioned that below., after the diagram thing.
anonymous
  • anonymous
x= (-5,-4)
Callisto
  • Callisto
actually, you don't have to take log, since both LHS and RHS have the same base '3'
Callisto
  • Callisto
From FoolForMath, you'll get 3^(-9x) for the RHS |dw:1332505194613:dw| then it is a quadratic equation, try to factor it / use the quadratic formula to solve and find the solutions

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