SOLUTION: I completely forget how to do these and I am struggling to figure it out please help! Sorry but I am not sure where I am actually supposed to put these types of questions but he

Algebra ->  Rational-functions -> SOLUTION: I completely forget how to do these and I am struggling to figure it out please help! Sorry but I am not sure where I am actually supposed to put these types of questions but he      Log On


   

Question 740898: I completely forget how to do these and I am struggling to figure it out please help!
Sorry but I am not sure where I am actually supposed to put these types of questions but here it goes!
6√72x^2
5√80a^2
-8√24k^3
2√8p^2q^3r
-3√24a^4b^2c^3
-2√48a^3b^4c^2
4√36x^2y^3z^4
Thank You in advance!
Found 2 solutions by MathLover1, josmiceli:
Answer by MathLover1(20850) About Me  (Show Source):
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Mainly, you use 2 general concepts here
+sqrt%28+a%2Ab+%29+=+sqrt%28a%29%2Asqrt%28b%29+
and
+sqrt%28+a%5E2+%29+=+a+
+sqrt%28+a%5E4+%29+=+a%5E2+
etc.
--------------
I'll do the tough ones
+4%2Asqrt%28+36x%5E2%2Ay%5E3%2Az%5E4+%29+
+4%2Asqrt%28+36+%29%2Asqrt%28+x%5E2+%29%2Asqrt%28+y%5E3+%29%2Asqrt%28+z%5E4+%29+
+4%2Asqrt%28+36+%29%2Asqrt%28+x%5E2+%29%2Asqrt%28+y%2Ay%5E2+%29%2Asqrt%28+z%5E4+%29+

+4%2A6%2Ax%2Asqrt%28y%29%2Ay%2Az%5E2%0D%0A%7B%7B%7B+24x%2Asqrt%28y%29%2Ay%2Az%5E2+
---------------------
+-2%2Asqrt%28+48%2Aa%5E3%2Ab%5E4%2Ac%5E2+%29+
+-2%2Asqrt%2848%29%2Asqrt%28a%5E3%29%2Asqrt%28b%5E4%29%2Asqrt%28c%5E2%29+
+-2%2Asqrt%2816%2A3%29%2Asqrt%28a%2Aa%5E2%29%2Asqrt%28b%5E4%29%2Asqrt%28c%5E2%29+
+-2%2Asqrt%2816%29%2Asqrt%283%29%2Asqrt%28a%2Aa%5E2%29%2Asqrt%28b%5E4%29%2Asqrt%28c%5E2%29+
+-2%2A4%2Asqrt%283%29%2Asqrt%28a%29%2Asqrt%28a%5E2%29%2Ab%5E2%2Ac+
+-8%2Asqrt%283a%29%2Aa%2Ab%5E2%2Ac+
----------------------
+-3%2Asqrt%28+24%2Aa%5E4%2Ab%5E2%2Ac%5E3+%29+
+-3%2Asqrt%2824%29%2Asqrt%28a%5E4%29%2Asqrt%28b%5E2%29%2Asqrt%28c%5E3%29+
+-3%2Asqrt%284%2A6%29%2Asqrt%28a%5E4%29%2Asqrt%28b%5E2%29%2Asqrt%28c%2Ac%5E2%29+

+-3%2A2%2Asqrt%286%29%2Aa%5E2%2Ab%2Asqrt%28c%29%2Ac+
+-6%2Asqrt%286%29%2Aa%5E2%2Ab%2Asqrt%28c%29%2Ac+
----------------------------
This should be enough to show the concepts