2x2 - 5x - 3

2x2 - 5x - 3

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  • Hey, do you know how to do a diamond method for factoring numbers
  • Yea it's easy, we'll use  2x2 - 5x - 3 for our equation. First, you have to draw a big X then, we take the 2x and -6 and multiply them to get -6 which we put at the top then, we take -5 and put it on the bottom of our X. Now we need to find 2 numbers that when multiplied together get -6 and when added gets -5. -6 and 1 will work so we put them on the side of your X. Finally, we take the 2x from the equation and put it as the numerator on our 2 new numbers in an x -/+ equation which will give us x-3 and 2x+1 as our final answer.
  • Wow, thank you it doesn't seem too hard now you've explained it
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