Question

(x-1) (x+1) - 2y (x+1)
Fatorise it please

Answer 1

(x-1)(x+1)-2y(x+1)

(x+1)(x-1-2y)
answer

Answer 2

(×-1) {×+1)-2y(×+1) ×square-1-2yx+2y ×(x-1)-2y(×-1) (×-2y)(x-1) x=2yor x=1  : X=1