SOLUTION: Write down the expansion of (2x-y)5 by bionmial theorm

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Question 889792: Write down the expansion of (2x-y)5 by bionmial theorm
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Coefficients : 1,5,10,10,5,1
1%2A%282x%29%5E5%2A%28-y%29%5E0=32x%5E5
5%2A%282x%29%5E4%2A%28-y%29%5E1=-80x%5E4y
10%2A%282x%29%5E3%2A%28-y%29%5E2=80x%5E3y%5E2
10%2A%282x%29%5E2%2A%28-y%29%5E3=-40x%5E2y%5E3
5%2A%282x%29%5E1%2A%28-y%29%5E4=10xy%5E4
1%2A%282x%29%5E0%2A%28-y%29%5E5=-y%5E5
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highlight%28%282x-y%29%5E5=32x%5E5-80x%5E4y%2B80x%5E3y%5E2-40x%5E2y%5E3%2B10xy%5E4-y%5E5%29