If (x-4) P = x & sup2; - x + Q, find the value of Q and the relation between P and X

If (x-4) P = x & sup2; - x + Q, find the value of Q and the relation between P and X

For example, X ` 2-x + q = (x-4) P, only x ` 2-x + Q can be decomposed into an equation containing x-4 to get the answer, then p = x + 3 is the same, q = - 12