How do you factor u(v-1)-2(v-1)?

1 Answer
Alan P.
May 30, 2015

In general
color(white)("XXXXX")color(red)(a)color(green)((k)) - color(blue)(b)color(green)((k)) = (color(red)a-color(blue)b)color(green)((k))
So
color(red)ucolor(green)((v-1)) - color(blue)2color(green)((v-1)) = (color(red)u-color(blue)2)color(green)((v-1))

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