10^{2x}-103\cdot10^{x}+300=0

5^{2x}-128\cdot5^{x}+375=0

5^{2x-1}-26\cdot5^{x}+125=0

3^{2x}-5\cdot3^{x}+6=0

4^{x}-2^{x+4}+2^{x}+32=0

4^{x}-2^{x+4}+2^{x}-48=0

0.5^{x}+\frac{0.625}{0.5^{x}}=2.75

25^{x}-5^{x+4}+5^{x}+1250=0

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

3^{x}+\frac{3.5}{3^{x}}=4.5

25^{x}-5^{x+1}+5^{x}-5=0

9^{x}-3^{x+3}+3^{x}+81=0

0.04^{x}-0.2^{x+1}+0.2^{x}-0.4=0

5^{2x}-7\cdot5^{x}+10=0

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

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

5^{2x-1}-26\cdot5^{x}+125=0

5^{2x}-29\cdot5^{x}+100=0

25^{x}-5^{x+2}+5^{x}+75=0

0.5^{x}+\frac{0.625}{0.5^{x}}=2.75

3^{x}+\frac{13.5}{3^{x}}=10.5

0.2^{2x}-1.508\cdot0.2^{x}+0.012=0

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

2^{2x}-5.5\cdot2^{x}+4.5=0