How would I expand this...?? u(u^2 + 3w)(2u - w)
J JimmieJohnsonGirl48 New member Joined Sep 11, 2005 Messages 2 Sep 11, 2005 #1 How would I expand this...?? u(u^2 + 3w)(2u - w)
D daveyp225 New member Joined Feb 24, 2005 Messages 20 Sep 11, 2005 #2 (a+b)(c+d) = a(c+d)+b(c+d) = ac + ad + bc + bd Also called foiling, FOIL- first, outside, inside, last When you do that, just multiply the u to every term.
(a+b)(c+d) = a(c+d)+b(c+d) = ac + ad + bc + bd Also called foiling, FOIL- first, outside, inside, last When you do that, just multiply the u to every term.