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Ash90
 2 years ago
simplify the expression
(x^210x+25)^1/2
Ash90
 2 years ago
simplify the expression (x^210x+25)^1/2

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Ash90
 2 years ago
Best ResponseYou've already chosen the best response.0i have (x5)^2=((x5)^2)1/2=(x5) then i do [5, infinity) but the answer is wrong

goformit100
 2 years ago
Best ResponseYou've already chosen the best response.0Use multinomial theorem.

Ash90
 2 years ago
Best ResponseYou've already chosen the best response.0i have x5 and for my domain answer i put...

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.2why ?? why can x not be less than 5 ?

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.2whats the domain of x5 ?

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.2what if x= 3 is that allowed value ?

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.2note that x5 does not place any restrictions on x

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.1The simplified form is x  5.

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.1The domain of that should be all real numbers. x^2  10x + 25 is always positive, so you can input everything.

Ash90
 2 years ago
Best ResponseYou've already chosen the best response.0yes everything like infinity to positive infinity

Ash90
 2 years ago
Best ResponseYou've already chosen the best response.0oh see i had the left with a bracket so that was wrong

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.1Do you need the range as well?

Ash90
 2 years ago
Best ResponseYou've already chosen the best response.0after i had messed it up i just started guessing

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.1OK, so the simplification is x  5. Do you know what the range of any absolute value function is?

Ash90
 2 years ago
Best ResponseYou've already chosen the best response.0the range would be [5, positive ) right?

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.2nopes, the range of x is x>=0
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