SOLUTION: Please help me solve this problem. simplify: 6/radical 5+2

Algebra ->  Radicals -> SOLUTION: Please help me solve this problem. simplify: 6/radical 5+2      Log On


   



Question 115580: Please help me solve this problem. simplify: 6/radical 5+2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
simplify: 6/radical[(5)+2]
Multiply numerator and denominator by sqrt(5) - 2 to get:
= [6(sqrt(5) -2)]/[(sqrt(5))^2 - 2^2]
= [6(sqrt(5) -2)]/[5-4]
= 6sqrt(5) - 12
==================
Cheers,
Stan H.