jamesvakilpour
jamesvakilpour
23-08-2018
Mathematics
contestada
Add (-x^2-2x+6)+(-9x^2-7x+6)
Respuesta :
mkryukova19
mkryukova19
23-08-2018
(-x²-2x+6)+(-9x²-7x+6) =
-x²
-2x+6
-9x²
-7x+6 =
-10x² - 9x + 12
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