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

Algebra.Com
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)   (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.

RELATED QUESTIONS

4-(-2)-10+2squared (answered by checkley77)
Hello. I am having a hard time figuring out how to evaluate the following expressions: (answered by Fombitz)
(c-2b)2squared + d when a=1,b=-2, c=3, and... (answered by priya)
Thank you so much for taking the time to help students like me that are in way over thier (answered by Earlsdon,stanbon)
find all real solutions: 2squaredx-24(2squared)=256 i do not understand how to get the... (answered by tutorcecilia)
find all real solutions: 2squaredx-24(2squared)=256 i know this doesnt make much sense. (answered by consc198)
A problem I have and cannot figure out is: Evaluate: 3{15-(8-5)}divided by 2squared... (answered by rfer)
A problem I have and cannot figure out is: Evaluate: 3{15-(8-5)}divided by 2squared... (answered by RAY100)
a=b ab=b2 ab-a2 = b2-a2 a(b-a)=(b+a)(b-a) a=b+a a=a+a a=2a 1=2 My teacher (answered by jim_thompson5910)