How do you factor by grouping $40 x y + 30 x - 100 y - 75$ $40xy+30x-100y-75$ ?

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Answer 1 · 2015-04-29T15:49:02

$40 x y + 30 x - 100 y - 75$ $40xy +30x -100y -75$

$= (40 x y + 30 x) - (100 y + 75)$ $= (40xy + 30x) -(100y +75)$

$= 10 x (4 y + 3) - 25 (4 y + 3)$ $= 10x(4y + 3) - 25(4y+3)$

$= (4 y + 3) (10 x - 25)$ $=(4y+3)(10x-25)$

How do you factor by grouping 40xy+30x-100y-7540xy+30x−100y−7540xy+30x-100y-75?