How do you factor $2 + 2y + x + xy$ ?

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Answer 1 · 2015-06-17T04:03:17

$(2+x)(1+y)$

Collect $y$ btween the second and fourth term:
$2+x+y(2+x)$
$(2+x)+y(2+x)$
collect $(2+x)$
$(2+x)(1+y)$

How do you factor 2 + 2y + x + xy2 + 2y + x + xy?