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Mathematics 8 Online
OpenStudy (anonymous):

please check this for me!! its my last question D:

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

it looks great, nice work

OpenStudy (anonymous):

well i checked it and it says its wrong :/

OpenStudy (anonymous):

i'm checking it again

jimthompson5910 (jim_thompson5910):

hmm does it place any restriction on x and h?

OpenStudy (anonymous):

no i only have to simplify it

jimthompson5910 (jim_thompson5910):

alright one second

OpenStudy (anonymous):

rationalize the denominator

jimthompson5910 (jim_thompson5910):

well what you have is correct, but perhaps the computer system is really picky and they want it a certain way?

OpenStudy (anonymous):

probably

OpenStudy (anonymous):

if i get it wrong, i could do another one but i really dont want to go through the process again

jimthompson5910 (jim_thompson5910):

Maybe they want the answer as \[\Large \frac{2x+h+2\sqrt{x(x+h)}}{h}\] or maybe as \[\Large \frac{2x+h+2\sqrt{x}\sqrt{x+h}}{h}\] or maybe as \[\Large \frac{x+h+2\sqrt{x}\sqrt{x+h}+x}{h}\]

jimthompson5910 (jim_thompson5910):

They're all equivalent to what you wrote

OpenStudy (anonymous):

yes i got it! i tried the second one

OpenStudy (anonymous):

thank you so much!

jimthompson5910 (jim_thompson5910):

hmm interesting...

jimthompson5910 (jim_thompson5910):

stupid computer lol, oh well, yw

OpenStudy (anonymous):

they really wanted it simplified ! haha

jimthompson5910 (jim_thompson5910):

yeah it's more simplified the way you had it...idk

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