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  • There are 4 more problems to solve.
  • 56-35p 7(8-5p)
  • Now it's GCF. For this, you have to find the greatest common factor and put it on the outside of the parenthesis and the inside numbers will multiply to match.
  • DOTs, or Difference of two squares, is when you find the square of x and the perfect square of the other number.
  • x²-81 (x-9)(x+9) 
  • Ok, got it.
  • Grouping is when you have a polynomial and you cannot do GCF. What you do is divide the problem into two and solve each one with GCF. Then put the tow GCF's in a parentheis and the multiplied number in another parenthesis. 
  • 2x²-x²-10x+5 x²(2x-1)  -5(2x-1)  (2x-1)(x²-5)
  • x²-81 (x-9)(x+9) 
  • Ok, got it.
  • Factoring Trinomials is when you find the factors of the number to the right, that add up the number in the middle.
  • a²+11a+18 (a+9)(a+2)
  • Great. I understand. 
  • Thank you so much for the help! Your teaching was great!
  • Of course, no problem!
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