<PRE><B>Question 695218</B>
(9rad5 - radical 8)(Radical 3 + radical 7)
-----
Use FOIL:
F = 9*sqrt(15)
O = 9sqrt(35)
I = -sqrt(24)
L = -sqrt(56)
--------
Combine and simplify to get:
= 9sqrt(15) + 9sqrt(35) - 2sqrt(6) -2sqrt(14)
===================================================
Cheers,
Stan H.
===================</PRE>