Question

$x^{2} - y^{2} + 2x + 1$
Factorise it....​

Answer 1

Answer:

$(x+y+1)(x-y+1)$

Step-by-step explanation:

$x^2-y^2+2x+1\\=(x^2+2x+1)-(y^2)\\=(x+1)^2-(y)^2\\=(x+1+y)(x+1-y)$