kwagers kwagers
  • 04-09-2015
  • Mathematics
contestada

Factor each completely?
A2-7a-18

Respuesta :

ayah1
ayah1 ayah1
  • 04-09-2015
[tex] a^{2} -7a-18[/tex]     (-9 + 2= -7,   -9*2= -18)

(a - 9)(a + 2)
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