Sama188 Sama188
  • 27-07-2014
  • Mathematics
Answered

Factorize : a2 + b2 _ 2(ab - ac + bc ).

Answer :

pepe11
pepe11 pepe11
  • 28-07-2014
(a² + b² - 2ab)  + 2ac - 2bc = (a - b)² + 2c(a-b) = (a-b)(a-b +2c)
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