SOLUTION: i need to solve this problem:(a+2)(a+2) my answer:a squared+(a2+2a)+2squared=a2squared+2+2+2squared

Algebra ->  Expressions -> SOLUTION: i need to solve this problem:(a+2)(a+2) my answer:a squared+(a2+2a)+2squared=a2squared+2+2+2squared      Log On


   



Question 653196: i need to solve this problem:(a+2)(a+2)
my answer:a squared+(a2+2a)+2squared=a2squared+2+2+2squared

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
:(a+2)(a+2)
----
Use a procedure called FOIL:
F: first * first = a*a = a^2
O: multiply the outers: a*2 = 2a
I: Multiply the inners: 2*a = 2a
L: last * last = 2*2
----
Combine those to get a^2 + 2a + 4
============================
Cheers,
Stan H.