100^{x}-10^{x+2}+10^{x}-400=0

10^{x}+\frac{15}{10^{x}}=11.5

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

0.25^{x}-0.5^{x+4}+0.5^{x}+0.25=0

0.2^{x}+\frac{3}{0.2^{x}}=4

100^{x}-10^{x+3}+10^{x}+2000=0

5^{2x-1}-6\cdot5^{x}+25=0

5^{x}+\frac{75}{5^{x}}=28

10^{x}+\frac{2}{10^{x}}=3

0.5^{2x}-3.5\cdot0.5^{x}+1.5=0

0.25^{x}-0.5^{x+3}+0.5^{x}+0.125=0

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

0.5^{2x}-5.125\cdot0.5^{x}+0.625=0

3^{x}+\frac{108}{3^{x}}=31

5^{x}+\frac{375}{5^{x}}=128

10^{2x}-1001.5\cdot10^{x}+1500=0

5^{2x-1}-126\cdot5^{x}+625=0

0.2^{2x-1}-1.008\cdot0.2^{x}+0.0016=0

2^{x}+\frac{6}{2^{x}}=5.5

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

2^{2x}-7\cdot2^{x}+12=0

2^{x}+\frac{48}{2^{x}}=19

5^{2x}-8\cdot5^{x}+15=0

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