Posted by Rochelle on .
(y+2 ) (y)
 subtract 
(y^249) (y^26y+7)
The directions are subtract and simplify....

algebra equation solving 
Henry,
(y+2)y = y^2+2y.
y^2+2y(y^249)(y^26y+7) =
y^2+2y(y^46y^3+7y^249y^2+294y343)=y^2+2yy^4+6y^37y^2+49y^2294y+343=
y^4+6y^3+43y^2292y+343.