Question

factorise X square + xy + X + Y

Answer 1

x square +xy+x+y
x (x+y) + 1 (x+y)
(x+1) (x+y)
the factors are (x+1) and (x+y)

Answer 2

x²+xy+x+y
x(x+y)+(x+y)
(x+y)(x+1)
therefore,the factors are (x+y) and (x+1)