Form the defferentialequation by eliminating the arbitrary constants in each of the following cases.
`y = A x^2 + B x`

Explanation

`y=Ax^2+Br`
`rArr y/x=Ax+B`
`rArr(xy_i-y)/x^2=A`rArr x^2((xy_2+y_1-y_1)-(xy_1-y)cdot2x)/x^4=0`
`x^2y_2-2xy_1+2y=0`