Step-by-step explanation:
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Answer:
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Expanded Form:
40,000,000+4,000,000+80,000+700
The binomial coefficients are 1,5,10,10,5,1 (5/0, 5/1, 4/2, 3/3, 2/4, 1/5)
x^5-25x^4+250x^3-1250x^2+3125x-3125