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anonymous
 one year ago
I need to isolate x. How would I do this?
anonymous
 one year ago
I need to isolate x. How would I do this?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\frac{9x6}{2\sqrt{x+1}}\]

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2is this an expression or an equation?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It's supposed to say =0 after it

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2oh, do you know what a fraction is equal to zero?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2**when a fraction is equal to zero

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Are you asking me if I know what happens or do you want to know the variable that would make the denominator 0?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2if we consider a fraction as telling us how many we have, out of how many there are total ... 0 out of anything would equate to having none of it. if we cut a pizza into 6 slices, and we get no slices ... we have 0 out of 6 slices. 0/6

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2in order for a fraction to equal zero, it is required that the top must equal zero ...

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2or, just mathing it. multiply both sides by the denominator ... the left side cancels out the bottom, and the right side is just a multiplication of 0

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2\[\frac ab=0\] \[b*\frac ab=0*b\] \[a=0*b=0\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So I need to figure out what x value makes the numerator 0?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2then that should be the value of x that makes the left side equate to 0

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2as long as it does not zero out the bottom ... or possibly make the sqrt a negative arguement ...
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