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Question #d3dc7

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Mar 13, 2017

$x y + 2 x - 3 y - 6$ $xy+2x-3y-6$

Explanation:

La medida:

$(x - 3) (y + 2) \to x \cdot y = x y$ $(color(blue)(x)-3)(color(blue)(y)+2) -> color(blue)(x*y=xy)$
$(x - 3) (y + 2) \to x \cdot 2 = 2 x$ $(color(red)(x)-3)(y+color(red)(2)) -> color(red)(x*2=2x)$
$(x - 3) (y + 2) \to - 3 \cdot y = - 3 y$ $(xcolor(green)(-3))(color(green)(y)+2) -> color(green)(-3*y=-3y)$
$(x - 3) (y + 2) \to - 3 \cdot 2 = - 6$ $(xcolor(purple)(-3))(ycolor(purple)(+2)) -> color(purple)(-3*2=-6)$

Respuesta final:

$x y + 2 x - 3 y - 6$ $color(blue)(xy)color(red)(+2x)color(green)(-3y)color(purple)-6$

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