37<5 ALGEDRA. 



By a few trials it is soon found, that the value of x is 



but little above 7. Suppose therefore first, that xzz^^ and 

 then that A? =8. 



Suppose again »r:7'2, and, because it turns out too 

 great, suppose also xzzyi. 



Therefore :i=zyi2^ nearly, the root required. 



Note 



