SOLUTION: (Use the Binomial Theorem to write out and simplify all terms in the expansion of (x-2y)^4.

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Question 88979This question is from textbook INTERMEDIATE ALGEBRA
: (Use the Binomial Theorem to write out and simplify all terms in the expansion of (x-2y)^4. This question is from textbook INTERMEDIATE ALGEBRA

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
X-2Y
X-2Y
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X^2-4XY+4Y^2 THIS (X-2Y)^2 SO IF WE SQUARE THIS TERM WE'LL HAVE (X-2Y)^4
X^2-4XY+4Y^2
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X^4-4X^3Y+4X^2Y^2-4X^3Y+16X^2Y^2-16XY^3+4X^2Y^2-16XY^3+16Y^4 COMBINE TERMS:
X^4-8X^3Y+32X^2Y^2-32XY^3+16Y^4