huntershelton6 huntershelton6
  • 11-02-2018
  • Mathematics
contestada

3x2+5x2-9+x2+16=
[tex] =3x2 + 5x2 - 9 + x2 + 16 = [/tex]

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Jr04
Jr04 Jr04
  • 13-02-2018
[tex]3x^2+5x^2-9+x^2+16= \\ \\ 3x^2+5x^2+x^2-9+16= \boxed{ 9x^2+7} \\ \\ [/tex]
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