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# Core 1 surd help watch

1. Hi, I've got to the end part of a question which is the simplifying part, now I know the answer is 5 I'm just not sure how to get to it... -root 225/-root 3.. Any ideas?
Taa
2. 225 = 25 * 9

3. can you show the question
4. Sorry I meant divided by -3 not root...
the question is
root75-root27 over root 3
5. (Original post by Hazeltine)
Sorry I meant divided by -3 not root...
then, as claret said

225 = 9*25
6. So I simplify it to get 3root25 then divide by 3 to get root 25=5? Cheers for that you two
7. (Original post by Hazeltine)
So I simplify it to get 3root25 then divide by 3 to get root 25=5? Cheers for that you two
NP

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