SOLUTION: find all solutions of the equation {{{ 4x-8 sqrt( x )-5=0 }}}. please show me every step.I can't seem to factor out the equation I have only gotten as far as {{{16x^2 -80x+25=0}}}

Algebra.Com
Question 646673: find all solutions of the equation .
please show me every step.I can't seem to factor out the equation I have only gotten as far as then I got I have tried all kind of combinations but I just can not ge this to factor. HELP!
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi,

   || Let 

   4y^2 - 8y - 5 = 0

  (2y - 5)(2y + 1) = 0

  y = 5/2  or y = -1/2   Tossing out y = -1/2 as being an extraneous root

 y = 5/2 and 





 

RELATED QUESTIONS


Can somebody please help me! 

Find all real solutions to 

(a) x^2 + x + SQRT(x^2 +... (answered by funmath)

I am stumped...I can not figure these two problems out for the life of me...can someone... (answered by Edwin McCravy)

Find all real number solutions of the equation algebraically:

{{{ sqrt (2x+1) }}} -... (answered by ankor@dixie-net.com,Alan3354)

Can someone help me with this i've tried and i am not ending up with the right solutions.
 (answered by tutorcecilia)

Hello,

I just want to doublecheck my answers if someone can help me.

Solve the... (answered by jim_thompson5910,Alan3354,edjones)

Find all the zeros of each equation.
x^3 – x^2 + 5x – 5 = 0

Can you help I can't... (answered by lwsshak3)

I need to solve this radical equation using the power principle.
Problem:... (answered by ankor@dixie-net.com)

How do i find the zeros of this equation {{{ 6x^3+5x^2-9x+2 }}} 

I have tried to... (answered by KMST,Fombitz)

Can you please help me step by step on this type of linear equation. The equation is... (answered by ptaylor)