# SOLUTION: <pre>I need help with this. Simplify the expression Simplify the expression. __ __ _ <font face = "symbol">Ö</font>63 - 2<font face = "symbol">Ö</font>28 + 5<font f

Algebra ->  Algebra  -> Radicals -> SOLUTION: <pre>I need help with this. Simplify the expression Simplify the expression. __ __ _ <font face = "symbol">Ö</font>63 - 2<font face = "symbol">Ö</font>28 + 5<font f      Log On

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 Algebra: Radicals -- complicated equations involving roots Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Radicals Question 39148: ```I need help with this. Simplify the expression Simplify the expression. __ __ _ Ö63 - 2Ö28 + 5Ö7``` Found 2 solutions by Nate, AnlytcPhil:Answer by Nate(3500)   (Show Source): Answer by AnlytcPhil(1277)   (Show Source): You can put this solution on YOUR website!```I need help with this. Simplify the expression. __ __ _ Ö63 - 2Ö28 + 5Ö7 The largest perfect square that will divide evenly into 63 is 9, so we write 63 as 9·7 The largest perfect square that will divide evenly into 28 is 4, so we write 28 as 4·7 ___ ___ _ Ö9·7 - 2Ö4·7 + 5Ö7 Take individual square roots of factors under the radical: _ _ _ _ _ Ö9·Ö7 - 2Ö4·Ö7 + 5Ö7 _ _ _ 3Ö7 - 2·2Ö7 + 5Ö7 _ _ _ 3Ö7 - 4Ö7 + 5Ö7 _ 4Ö7 Edwin AnlytcPhil@aol.com```