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I need to simplify this: m=2(x-sub1 y-sub1+x-sub2 y-sub2) -(x-sub1+x-sub2)(y-sub1+y-sub2) I have no idea what to do
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looks like vector stuff
All he told is was to simplify :(
\[2(x_1y_1+x_2y_2)-(x_1+x_2)(y_1+y_2)\] foild, distribute, and collect like terms
*foil ...
OK that makes sense. Thanks!
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youre welcome
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