Question

8.2^2 x+4.2^x+1=1+2^x solve for x

Answer 1

Answer:

2^(2x+8) -8×2^(x+2)= -1

(2^2x×2^8)-8x (2^x×2^2)

256×4×27×-32 (2^x)= -1

32×2^x {32-1} =-1

2^x=-1/(32×31)

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