(2yx4y)+(4y-3y)=
(4y-3y) is 1y or y
[2*4 = 8; y^2; x] + y
therefore (8xy^2 + y)
Is that cross meant to be a times sign or the letter x?
Here we use * as a times sign - it cuts down confusion :)
If it is an x then is it x*4 or x^4?
