SOLUTION: Please help by multiplying: (6+√7)(6-√7)

Algebra ->  Radicals -> SOLUTION: Please help by multiplying: (6+√7)(6-√7)      Log On


   

Question 340013: Please help by multiplying:
(6+√7)(6-√7)
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Just use FOIL like multiplying any pair of binomials. Hint: This is a conjugate pair, so the result will be the difference of two squares.

John

My calculator said it, I believe it, that settles it