quinn94 quinn94
  • 12-09-2020
  • Mathematics
contestada

Simplify 21x² + 3x - 15x^2 + 9

Respuesta :

vanessa5070 vanessa5070
  • 12-09-2020
6x^2+3x+9. (combine the two X^2 then the other two don’t have pairs)
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