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Mathematics 9 Online
OpenStudy (anonymous):

Simplify the following radical

OpenStudy (anonymous):

\[\sqrt{48}-\sqrt{27}+\sqrt{12}\]

OpenStudy (anonymous):

show steps please

OpenStudy (anonymous):

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OpenStudy (anonymous):

thats the answer

OpenStudy (anonymous):

how :/ i got 5 square root 3

OpenStudy (anonymous):

dont have time to show the steps but i 100% thats the answer

OpenStudy (anonymous):

treat the radical like a variable. in order to add or subtract them you need to get a common number under the radical.

OpenStudy (anonymous):

can yu tell me the answer so i know whats the right ans :/

OpenStudy (anonymous):

\[\sqrt{48}=\sqrt{2}\times \sqrt{24}=\sqrt{4}\times \sqrt{4}\times \sqrt{3}=4\sqrt{3}\]

OpenStudy (anonymous):

so in this case I see that 3 is a common multiple of all the radicals and when 3 is factored out a perfect square is left. This can be used to simplify each radical

OpenStudy (anonymous):

@Charmi are you with me so far

OpenStudy (anonymous):

so that is the first part simplified.. now do the other two. unless i need to put that as well

OpenStudy (anonymous):

can yu please put it too

OpenStudy (anonymous):

|dw:1348950517872:dw|

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