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December 20, 2014

December 20, 2014

Posted by **Rochelle** on Wednesday, January 11, 2012 at 7:46pm.

--------- subtract -----------

(y^2-49) (y^2-6y+7)

The directions are subtract and simplify....

- algebra equation solving -
**Henry**, Friday, January 13, 2012 at 2:13pm(y+2)y = y^2+2y.

y^2+2y-(y^2-49)(y^2-6y+7) =

y^2+2y-(y^4-6y^3+7y^2-49y^2+294y-343)=y^2+2y-y^4+6y^3-7y^2+49y^2-294y+343=

-y^4+6y^3+43y^2-292y+343.

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