SOLUTION: (4y^2-5y)+(3y-7y^2)-(2y^2+6y-5)

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Question 568397: (4y^2-5y)+(3y-7y^2)-(2y^2+6y-5)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%284y%5E2-5y%29%2B%283y-7y%5E2%29-%282y%5E2%2B6y-5%29 Start with the given expression.


4y%5E2-5y%2B3y-7y%5E2-2y%5E2-6y%2B5 Distribute


%284y%5E2-7y%5E2-2y%5E2%29%2B%28-5y%2B3y-6y%29%2B5 Group like terms


-5y%5E2-8y%2B5 Combine like terms


So %284y%5E2-5y%29%2B%283y-7y%5E2%29-%282y%5E2%2B6y-5%29 simplifies to -5y%5E2-8y%2B5


In other words, %284y%5E2-5y%29%2B%283y-7y%5E2%29-%282y%5E2%2B6y-5%29=-5y%5E2-8y%2B5 for all values of y.
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