SOLUTION: 5y^3(y^4-2y)+3y^7

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Question 652129: 5y^3(y^4-2y)+3y^7
Answer by jim_thompson5910(35256) About Me  (Show Source):
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5y^3(y^4-2y)+3y^7

5y^3(y^4)+5y^3(-2y)+3y^7

5y^7-10y^4+3y^7

8y^7-10y^4

So 5y^3(y^4-2y)+3y^7 simplifies to 8y^7-10y^4