Posted by Zack on Friday, January 18, 2013 at 12:36pm.
Simplify
sqrt80 3 Sqrt63  sqrt125  sqrt175

Algebra 2  Steve, Friday, January 18, 2013 at 12:54pm
√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, Friday, January 18, 2013 at 12:55pm
√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, Friday, January 18, 2013 at 12:57pm
Argghh, messed up a sign
Steve is right
Answer This Question
Related Questions
 precalc  How do you solve log5 sqrt125?
 Algebra  1. LCM of 15x^7 and 45x^7 2. Marla can shovel the driveway in 60min ...
 Radicals w/rational exponents  Could someone please help me with this. Assume ...
 Intermediate Algebra  I have a take home test and I'm stuck on a couple. Anyone...
 algebra  i cannot figure any of this stuff out. please help. if you can there ...
 Algebra  Simplify A^6 x a^2b^2 44,909 in scientific notation Simplify (a^2b^3...
 Algebra  1. Subtract and simplify 18/y8  18/8y 2. subtract simplify if ...
 algebra... help soon please  i cannot figure any of this stuff out. please help...
 Algebra 2  1. Simplify: sqrt6(sqrt2/2+sqrt3)sqrt8 2. Simplify: sqrt(72x^3)5x ...
 algebra 1 help  simplifying square roots 1) find volume of this prism? v=bwh b...
More Related Questions