Need help with this problem. I need to show that one side equals the other. I this is distributive property but isnt that just too plain simple? I mean im in pre-cal class and therefore this question cant be easy as it seems.... :(adsbygoogle = window.adsbygoogle || []).push({});

anyways, if anyone knows about vector plez help me with this.

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# Homework Help: Vectors: The Dot Product

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