Question

4^x-4^x-1=192
$4^x-4^x-1=192$

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Answer 1

ur question is wrong as,

${4}^{x} - {4}^{x } = 0$

and then

$- 1 = 192$

which is impossible

Answer 2

Answer:

Step-by-step explanation:

by trial and error answer of x is 4

4 raised to 4= 256

4 raised to 3=64

subtract and get 192