Question

factise a^2 + 2ax - 2x - 2a +1

Answer 1

Step-by-step explanation:

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

rearrange like this

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

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

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

so, a^2 + 2ax - 2x - 2a +1= = (a-1) (a-1+2x)