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Mathematics 9 Online
OpenStudy (anonymous):

4. What is the simplest form of the expression? sqrt 20 +sqrt 45 -sqrt5 4sqrt5 6sqrt5 13sqrt5 5sqrt5

OpenStudy (anonymous):

sqrt20 = 2 sqrt 5, sqrt45=sqrt9*sqrt5=3sqrt5, u can do it now :P

OpenStudy (anonymous):

no i cant im lost i keep getting 11.1 something. i dont understand how to get the simplest form for the expression. can you walk me through it please?!

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