ahmad06ansari ahmad06ansari
  • 09-10-2020
  • Mathematics
contestada

9 - x2 + 2xy - y2
Factorise

Respuesta :

carolmartelotte2020 carolmartelotte2020
  • 09-10-2020

9-x.2+2xy-y.2

9-2x+2xy-2y

-2x+2xy-2y+9

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