Snowylsy
Snowylsy Snowylsy
  • 10-06-2017
  • Mathematics
contestada

How to factorize a²-21ab-100b²

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Amberlee26 Amberlee26
  • 10-06-2017
(a-25b)(a+4b)=0
Use the quadratic formula or complete the square by looking at the factors
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