EXPONENTIAL EQUATION.

Solving exponential equation using a K method.
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[@johnmaulkin-ur8lm]

Thank you very much.

[@bobwineland9936]

Looks like a U substitution.
U=3^X and so U^2 -4U +3=0.
(U-3)(U-1)=0. Therefore 3^X=3, X=1, and 3^X=1, X=0.

[@shoshosalah3447]

X={1,0}
In my head ❤

[@user-nd7th3hy4l]

X=0. etX=1.

[@NurHadi-qf9kl]

3^x=3; x=1
3^x=1 ; x=0