giai giup minh nhe

C

chuanban

hep

Giải các phương trình sau
a) [tex] x-\sqrt{x - 3} =9 [/tex]
b) [tex] x - 2\sqrt{x+2} - 1 = 0 [/tex]
c) [tex] 3x-\sqrt{x-5} = 17 [/tex]
d) [tex] \sqrt{4x^2+20x+25}+\sqrt{x^2-9x+16} = \sqrt{x^2+18x+81} [/tex]
e) [tex] \begin{vmatrix} 3x - 1 \end{vmatrix} [/tex] - [tex] \begin{vmatrix} x-3 \end{vmatrix} [/tex] = 4


:confused::confused::confused::confused::confused::confused::confused::confused::confused:
 
Last edited by a moderator:
You must log in or register to reply here.
Top Bottom