SOLUTION: 4^x-3*2^x+3=-128

Question 1078193: 4^x-3*2^x+3=-128
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
4^(x-3)*2^(x+3) = -128
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2^(2x-6)*2^(x+3) = -128
2^(2x-6+x+3) = -128
2^(3x-3) = -2^7
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Comment:: No power of 2 can be negative.
Cheers,
Stan H.
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