Extra Tip! Notice that we used something called FOIL to combine (a+b)(a+b). But what does that even mean? FOIL is an acronym for multiplying the two terms together. It’s a way to remember to distribute each term to one another. Take a look below:
Add and combine all like terms together and we get !
Still got questions? Let me know in the comments and as always happy calculating!:)
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*Extra Tip! Why does this formula work in the first place!?? If we draw lines creating and proving triangle RTQ and triangle RPS are similar by AA, this leads us to know that the two triangles have proportionate sides and can follow our formula! ___________________________________________________________________________________
Still got questions? Let me know in the comments and remeber having questions is a good thing!
Also, happy holidays from Mathsux! May your December break be filled with family, food, happiness, and maybe some math problems! 🙂
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In need of a bit of review on Simultaneous Equations? Well, now is your chance! Learn how to solve these confusing bad mama jamma’s in three different ways and choose which one works best for you!
I’m also excited to introduce my new YouTube page for MathSux! Hope these new set of videos help. Let me know if you have any more questions in the comments. Happy calculating! 🙂
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