How do you simplify $x - 2(xy - y) + 4xy - x(3 + y)$ ?

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Answer 1 · 2015-09-22T05:41:30

$= color(blue)(xy − 2x +2y$

$x−2(xy−y)+4xy−x(3+y)$

$= x−2 * (xy) - 2 * (−y)+4xy− x * (3) -x * (y)$

$= x−2xy +2y+4xy− 3x -xy$

Grouping like terms:

$= color(blue)(−2xy +4xy-xy) +color(green)( x − 3x) +2y$

$= color(blue)(xy − 2x +2y$

How do you simplify x - 2(xy - y) + 4xy - x(3 + y)x - 2(xy - y) + 4xy - x(3 + y)?