SOLUTION: the binomial expansion of (x^2+y)^2 is

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: the binomial expansion of (x^2+y)^2 is       Log On


   



Question 859910: the binomial expansion of (x^2+y)^2 is

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%28x%5E2%2By%29%5E2=%28x%5E2%2By%29%28x%5E2%2By%29
Use the FOIL method,
First: x%5E2%28x%5E2%29=x%5E4
Outer: x%5E2y
Inner: yx%5E2
Last: y%28y%29=y%5E2
%28x%5E2%2By%29%5E2=x%5E4%2Bx%5E2y%2Bx%5E2y%2By%5E2
%28x%5E2%2By%29%5E2=x%5E4%2B2x%5E2y%2By%5E2