Question

2^(x+3) -9*2^(x) +1=0​

Answer 1

2^(x+3) -9*2^(x) +1=0

2x+6-9*2x+1=0

2x+2x-2=0

4x-2=0

4x=0+2

4x=2

x=2/4

x=1/2

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