Question

Write as a product of two polynomials.

(x-y)^2-a(y-x)

Answer 1

`\\ \sf\longmapsto (x-y)^2-a(y-x)`

`\\ \sf\longmapsto x^2-2xy+y^2-(ay+ax)`

`\\ \sf\longmapsto x^2+y^2-2xy-ay-ax`

Done