Posted by Zack on .
Simplify
sqrt80 3 Sqrt63  sqrt125  sqrt175

Algebra 2 
Steve,
√80 = √16√5 = 4√5
3√63 = 3*√9√7 = 3*3√7 = 9√7
√125 = √25√5 = 5√5
√175 = √25√7 = 5√7
so, you have
4√59√75√55√7 = √5  14√7 
Algebra 2 
Reiny,
√80  3√63  √125  √175
=√16√5  3√9√7 + √25√5  √25√7
= 4√5  9√7 + 5√5  5√7
= 9√5  14√7 
Go with Steve  Algebra 2 
Reiny,
Argghh, messed up a sign
Steve is right