SOLUTION: simplify: the square root of 125 minus 7 times the square root of 98 minus the square root of 3/7. sqrt means square root. sqrt(125)-7*sqrt(98)-sqrt(3/7)

Algebra ->  Square-cubic-other-roots -> SOLUTION: simplify: the square root of 125 minus 7 times the square root of 98 minus the square root of 3/7. sqrt means square root. sqrt(125)-7*sqrt(98)-sqrt(3/7)      Log On


   



Question 79139: simplify: the square root of 125 minus 7 times the square root of 98 minus the square root of 3/7.
sqrt means square root.
sqrt(125)-7*sqrt(98)-sqrt(3/7)

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt(125)-7*sqrt(98)-sqrt(3/7)
-----------
5sqrt5 - 7*7sqrt2 - [sqrt(21)/7]
= 5sqrt5 - 49sqrt2 -(1/7)sqrt21
===========
Cheers,
Stan H.