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September 21, 2014

September 21, 2014

Posted by **the last two** on Thursday, March 14, 2013 at 3:47pm.

(5+42)(3+410)multiple and simplify as much as possible

- math -
**Steve**, Thursday, March 14, 2013 at 3:51pmAssuming you meant

5√(2x^3)-x√(18xy^2)

that is

5x√(2x) - 3xy√(2x) = (5x-3xy)√(2x)

(5+4√2)(3+4√10)

= 15 + 12√2 + 20√10 + 16√20

= 15 + 12√2 + 32√5 + 20√10

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