Question

factorise x^2 + xy - x - y
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Answer 1

answer:-

group them accordingly:-

$x {}^{2} + xy - x - y$

$(x ^{2} - x) + (xy - y)$

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

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

Answer 2

=x(x+y)-1(x+y)

=(x+y) (x-1)

Here are the two factors,

1.(x+y)

2.(x-1).