SOLUTION: what is the answer when using Pascal's triangle to expand the following binomial (x+y)^4?

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Question 387616: what is the answer when using Pascal's triangle to expand the following binomial (x+y)^4?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E4+%2B+4x%5E3y+%2B+6x%5E2y%5E2+%2B+4xy%5E3+%2B+y%5E4 (note that 1, 4, 6, 4, 1 is the fourth row of Pascal's triangle and is equivalent to 4C0, 4C1, ..., 4C4)