<prompt> Acha x4oversqrt51root 4of51mzizi 8of51mzizi16of51.Pata x148.  <response>: Tukizidisha juu na chini kwa sqrt165 - 1, tunapata kurahisisha sana kwa tofauti-ya-miraba: beginaligned x frac4sqrt16 5-1sqrt51sqrt451sqrt851sqrt165 1sqrt165-1 frac4sqrt165-1sqrt51 sqrt451sqrt851sqrt85-1 frac4sqrt16 5-1sqrt51sqrt451sqrt45-1 frac4 sqrt165-1sqrt51sqrt5-1 frac4sqrt165- 14 sqrt165 - 1. mwishoiliyopangwaHivyo, x148 leftsqrt165 kulia48 53 125. 