Question

regroup and factorise xy + x + y + 1​

Answer 1

Answer:

y

2

−xy(1−x)−x

3

Above question can be written as,

y

2

−xy+x

2

y−x

3

Take out common in all terms,

y(y−x)+x

2

(y−x)

(y−x)(y+x

2

)

Answer 2

Question:-

$xy + x + y + 1$

Answer:-

$xy + x + y + 1$

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

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

u'r done!!

Thnx✌️♥️~