Question

x-1-(x-1)^2+ax-a factorise it so that the answer can be (x-1)(2-x+a)​

Answer 1

Answer:

we have

x-1-(x-1)^2+ax-a

=(x-1){1-(x-1)+a}

=(x-1){1-x+1+a}

=(x-1)(2+a-x)