Answers

  • Brainly User
2014-08-20T21:10:39+05:30
4x3^2x+2 -9^x=243
4x3^2X x3^2-9^X=243
9^X(36-1)=243
orr   9^X=243/35=6.9
or 3^2X=6.9   or    2X=6.9^1/3
or 2x=1.89
hence X=.995
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