SOLUTION: hi my names jessie, im doing homework rite now and i need someones help here is the problem: SIMPLIFY 4 and then rite next to it is 5 in the square root sign + the square root of

Algebra ->  Square-cubic-other-roots -> SOLUTION: hi my names jessie, im doing homework rite now and i need someones help here is the problem: SIMPLIFY 4 and then rite next to it is 5 in the square root sign + the square root of      Log On


   

Question 731576: hi my names jessie,
im doing homework rite now and i need someones help here is the problem:
SIMPLIFY 4 and then rite next to it is 5 in the square root sign + the square root of five
Found 2 solutions by josmiceli, ohtheirony:
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Is this it?
+4%2Asqrt%285%29+%2B+sqrt%285%29+
if so,
factor out +sqrt%285%29+
+sqrt%285%29%2A%28+4+%2B+1+%29+
+5%2Asqrt%285%29+

Answer by ohtheirony(35) About Me  (Show Source):
You can put this solution on YOUR website!
4sqrt%285%29%2Bsqrt%285%29 are radicals. When you add radicals together when they have the same square root, all you have to do is add the numbers in front of the square root. When there is no number in front of a radical, there always has a one in front. So, 4sqrt%285%29%2Bsqrt%285%29 becomes (1+4)sqrt%285%29, then 5sqrt%285%29. So simplified, your answer is 5sqrt%285%29.
For more on adding/subtracting radicals, see: http://www.purplemath.com/modules/radicals3.htm