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Mathematics 7 Online
OpenStudy (anonymous):

Solve square-root x-1 = x-3 ** Check for extraneous solutions a. no solution b. x=5 c. x=2 d. x= 2, 5

Nnesha (nnesha):

okay itss same take square root both side

OpenStudy (danjs):

square everything

Nnesha (nnesha):

|dw:1418536469823:dw| square ****

Nnesha (nnesha):

when you take square on left side square root can cancel and on left side (x - 3)^2 = ( x - 3) ( x -3) multiply this

Nnesha (nnesha):

right **

Nnesha (nnesha):

let me know what yo uget ???

OpenStudy (danjs):

since they give you multiple choice, you could no nothing and insert the given answers into the equation and test for equality ... i mean .. beg my pard

OpenStudy (danjs):

know

OpenStudy (anonymous):

@Nnesha B . 5

OpenStudy (anonymous):

@DanJS Thanks just now noticed that :)

OpenStudy (triciaal):

it's better to know what to do.

Nnesha (nnesha):

yes you are right g00d job

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