SOLUTION: Simplify (7+square root of 6)(7- square root of 6)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Simplify (7+square root of 6)(7- square root of 6)      Log On


   



Question 90648: Simplify
(7+square root of 6)(7- square root of 6)

Answer by vertciel(183) About Me  (Show Source):
You can put this solution on YOUR website!
(7 + √6)(7 - √6)
= 49 - 7√6 + 7√6 - √36
= 49 - √36
= 49 - 6
= 43