How do you factor $x y + x + 3 y + 3$ $xy + x + 3y + 3$ ?

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Answer 1 · 2015-06-18T23:29:01

Factor by grouping:

$x y + x + 3 y + 3 = (x + 3) (y + 1)$ $xy+x+3y+3 = (x+3)(y+1)$

$x y + x + 3 y + 3$ $xy+x+3y+3$

$= (x y + x) + (3 y + 3)$ $= (xy+x)+(3y+3)$

$= x (y + 1) + 3 (y + 1)$ $=x(y+1)+3(y+1)$

$= (x + 3) (y + 1)$ $=(x+3)(y+1)$

How do you factor xy+x+3y+3xy + x + 3y + 3?