SOLUTION: Hi I do not understand on how to do these two problems: I have to solve for x 1.) 2*sqrt x = x-8 2.) sqrt 2x+5 = 2* sqrt 2x+1

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Hi I do not understand on how to do these two problems: I have to solve for x 1.) 2*sqrt x = x-8 2.) sqrt 2x+5 = 2* sqrt 2x+1       Log On


   

Question 782929: Hi I do not understand on how to do these two problems: I have to solve for x
1.) 2*sqrt x = x-8
2.) sqrt 2x+5 = 2* sqrt 2x+1
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Square both sides. Collect like terms. First one is a quadratic, but it factors. Check BOTH zeros because one of them is extraneous. Second problem is linear after you have squared both sides; just solve it.

John

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