kamiiii881 kamiiii881
  • 28-01-2021
  • Mathematics
contestada

Please help me?!!!!!

Please help me class=

Respuesta :

4Cat7
4Cat7 4Cat7
  • 28-01-2021

Answer:

7b+4

Step-by-step explanation:

[tex](2b^{2}+3b-5)-(2b^{2}-4b-9)[/tex]

[tex]2b^{2}+3b-5 -2b^{2}+4b+9[/tex]

[tex]7b+4[/tex]

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