aautumnn aautumnn
  • 12-03-2017
  • Mathematics
contestada

How to factor a polynomial with four terms by grouping:
20ay - 10ax + 42by - 21bx

Respuesta :

AnhQNguyen
AnhQNguyen AnhQNguyen
  • 12-03-2017
= 10a(2y-x) + 21b(2y-x)
=(2y-x)(10a+21b)
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