5^{2x}-4\cdot5^{x}+3=0

0.5^{2x-1}-1.25\cdot0.5^{x}+0.125=0

0.2^{2x-1}-1.2\cdot0.2^{x}+0.04=0

100^{x}-10^{x+4}+10^{x}+40000=0

5^{2x}-30.5\cdot5^{x}+137.5=0

5^{2x}-27\cdot5^{x}+50=0

5^{2x}-10.5\cdot5^{x}+27.5=0

0.5^{x}+\frac{1.25}{0.5^{x}}=3

3^{2x-1}-10\cdot3^{x}+27=0

0.2^{2x}-3.04\cdot0.2^{x}+0.12=0

2^{2x}-10.5\cdot2^{x}+20=0

0.2^{2x}-4.2\cdot0.2^{x}+0.8=0

3^{x}+\frac{121.5}{3^{x}}=82.5

0.25^{x}-0.5^{x+1}+0.5^{x}+2=0

0.2^{2x}-3.04\cdot0.2^{x}+0.12=0

3^{2x}-12.5\cdot3^{x}+31.5=0

5^{2x}-28\cdot5^{x}+75=0

0.5^{2x-1}-1.125\cdot0.5^{x}+0.0625=0

0.25^{x}-0.5^{x+3}+0.5^{x}-0.375=0

25^{x}-5^{x+4}+5^{x}-2500=0

3^{2x-1}-28\cdot3^{x}+81=0

3^{2x-1}-4\cdot3^{x}+9=0

10^{2x-1}-101\cdot10^{x}+1000=0

0.5^{2x}-2.625\cdot0.5^{x}+0.3125=0