SOLUTION: 5 radical 7 + 3 radical 28 I tried 5 radical 7 + 3 radical 28 5 radical 7 + 3 radical 14 radical 2 5 radical 7 + 3 radical 7 radical 2 radical 2 It's wrong! I really need h

Algebra ->  Radicals -> SOLUTION: 5 radical 7 + 3 radical 28 I tried 5 radical 7 + 3 radical 28 5 radical 7 + 3 radical 14 radical 2 5 radical 7 + 3 radical 7 radical 2 radical 2 It's wrong! I really need h      Log On


   

Question 429748: 5 radical 7 + 3 radical 28
I tried 5 radical 7 + 3 radical 28
5 radical 7 + 3 radical 14 radical 2
5 radical 7 + 3 radical 7 radical 2 radical 2
It's wrong! I really need help!
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
5sqrt(7)+3sqrt(28)
=5sqrt(7)+3sqrt(7*4)
=5sqrt(7)+6sqrt(7)
=11sqrt(7)
.
Ed