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OpenStudy (anonymous):
simplify the expression (x^2-10x+25)^1/2
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OpenStudy (anonymous):
i have (x-5)^2=((x-5)^2)1/2=(x-5) then i do [5, infinity) but the answer is wrong
OpenStudy (goformit100):
Use multinomial theorem.
hartnn (hartnn):
simplified form is x-5
hartnn (hartnn):
u need domain ?
OpenStudy (anonymous):
i have x-5 and for my domain answer i put...
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OpenStudy (anonymous):
|dw:1389459862624:dw|
OpenStudy (anonymous):
or should it be...
hartnn (hartnn):
why ?? why can x not be less than 5 ?
OpenStudy (anonymous):
|dw:1389459912753:dw|
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