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October 20, 2014

October 20, 2014

Posted by **Julissa** on Tuesday, January 20, 2009 at 2:01pm.

please help me solve

- math -
**Damon**, Tuesday, January 20, 2009 at 2:11pmI can not read your symbols, assume radical for square root

sqrt 49 + sqrt 343 - sqrt 2401 ???

343 = 7^3

2401 = 7^4

so I have

7 + 7 sqrt 7 + 49

= 56 + 7 sqrt 7

- negative sign -
**Damon**, Tuesday, January 20, 2009 at 2:12pmforgot the negative

7 + 7 sqrt 7 - 49

- 42 + 7 sqrt 7

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