khaywavvyy1
khaywavvyy1 khaywavvyy1
  • 24-06-2020
  • Mathematics
contestada


[tex] ({3x}^{2} + 2x + 1) + ( {2x}^{2} - 4x - 5) + (3x - 1)[/tex]
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Respuesta :

osikbro
osikbro osikbro
  • 24-06-2020

Answer:

[tex]5x^2+x-5[/tex]

Step-by-step explanation:

[tex](3x^2+2x+1)+(2x^2-4x-5)+(3x-1)= \\\\(3x^2+2x^2)+(2x-4x+3x)+(1-5-1)= \\\\5x^2+x-5[/tex]

Hope this helps!

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