SOLUTION: I've tried these but not sure if they're right-Help! 1. 3sqrt13*5sqrt27 =45sqrt39 2.sqrt36 - 2sqrt9=0 3.5sqrt10 - 2sqrt5=50sqrt2 4.4sqrt15 + 7sqrt15 =11sqrt15 5.sqrt168=2sqrt

Algebra ->  Radicals -> SOLUTION: I've tried these but not sure if they're right-Help! 1. 3sqrt13*5sqrt27 =45sqrt39 2.sqrt36 - 2sqrt9=0 3.5sqrt10 - 2sqrt5=50sqrt2 4.4sqrt15 + 7sqrt15 =11sqrt15 5.sqrt168=2sqrt      Log On


   

Question 136087: I've tried these but not sure if they're right-Help!
1. 3sqrt13*5sqrt27 =45sqrt39
2.sqrt36 - 2sqrt9=0
3.5sqrt10 - 2sqrt5=50sqrt2
4.4sqrt15 + 7sqrt15 =11sqrt15
5.sqrt168=2sqrt42
6.15/5sqrt28 =3sqrt7/14
someone please check these and if not correct help me!!
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
1 yes
2 yes
3
5%2Asqrt%2810%29+-+2%2Asqrt%285%29
5+%2A+sqrt%282%2A5%29+-+2%2Asqrt%285%29
5%2Asqrt%282%29%2Asqrt%285%29+-+2%2Asqrt%285%29
%285%2Asqrt%282%29+-2%29%2Asqrt%285%29


4 yes
5 yes
6
%2815%2F5%29%2A+sqrt%2828%29
3+%2A+sqrt%284%2A7%29
3%2A2%2Asqrt%287%29
6+%2Asqrt%287%29