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Jan 17th, 2019
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  1. a)x²+49=(x+5)²
  2. x²+49=x²+10x+25
  3. 49=10x+25
  4. x=2,4
  5.  
  6.  
  7. b)(x+5)²=49
  8. x+5=7
  9. x=2
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