Can You Pass Harvard's (University) Entrance Exams? | Maths Olympiads | 4^x +10^x =25^x |

[@amramjose]

Very clear and well explained. Thanks.

[@rashel1]

thanks

[@KhinMaungSan-qc9uv]

2^x=a,5^x=b>>>>a^2+ab--b^2=0etc.>>>

[@shimu_7086]

👍👍👍

[@rashel1]

thanks😊

[@Misha-g3b]

lg(0,5V5-0,5)/lg0,4 , when x is from R.
NOTE. Other roots are complex numbers ( then x is from C).