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Write the coefficient of y in the expansion of (5-y)^2.
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Write the coefficient of y in the expansion of (5-y)^2.

User Stevangelista
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2 Answers

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-10 anwser . Hope it was useful
User Omayra
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2 votes

Answer:


-10

Explanation:


(5+-y)(5+-y)


25-5y-5y+y^2


25-10y+y^2

User Csyperski
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