SOLUTION: Multiply the following: (4-sqrt(7)) * (3+2sqrt(7))

Algebra ->  Square-cubic-other-roots -> SOLUTION: Multiply the following: (4-sqrt(7)) * (3+2sqrt(7))      Log On


   

Question 46880: Multiply the following: (4-sqrt(7)) * (3+2sqrt(7))
Answer by gsmani_iyer(201) About Me  (Show Source):
You can put this solution on YOUR website!


%284-sqrt%287%29%29%283%2B2sqrt%287%29%29

= 12%2B8sqrt%287%29-3sqrt%287%29-14 ... .... (applying distributive law)

= 12-14%2B8sqrt%287%29-3sqrt%287%29

= -2%2B5sqrt%287%29 Answer.


gsm