SOLUTION: add or subtract simplfy by collecting like radical terms if possible: 7√5-6√+7√5

Algebra ->  Radicals -> SOLUTION: add or subtract simplfy by collecting like radical terms if possible: 7√5-6√+7√5      Log On


   

Question 254542: add or subtract simplfy by collecting like radical terms if possible:
7√5-6√+7√5
Answer by dabanfield(803) About Me  (Show Source):
You can put this solution on YOUR website!
add or subtract simplfy by collecting like radical terms if possible:
7√5-6√+7√5
If the middle term is actually -6*sqrt(5) then we have:
7*sqrt(5) - 6*sqrt(5) + 7*sqrt(5) =
sqrt(5)*(7-6+7) =
8*sqrt(5)