CUBIC AND HIGHER EQUATIONS. 379 



7. To find the value of x in the equation a;^-{-2.v* — 

 23^^=70. Ans. ^=5*1349. 



8. To find the value of s in the equation a;^ — 17^;* + 



54^ = 350- ^"S. ^z:iii4-95407. 



9. To find the value of a m the equation Ar'' — 3^*""" 

 75A'=ioooo. Ans. Afzz 10*2615. 



10. To find the value of x in the equation 2x^ — i6x^ 

 ^4o;v* — 3ca;zz — i. Ans. A:=r284724. 



11. To find the value of ►v in the equation ;c^-|-2:v'' + 

 3;v^-|-4:v'-j- 5*^=5432 1- ^ns. ;vzi8-4i4455. 



12. To find the value of X in the equation a;^ZI 

 ^23456789. ' Ans. -;vii:8'6400268. 



s^J5^= 



END OF ALGEBRA. 



