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28-01-2021
Mathematics

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Please help me?!!!!!

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Respuesta :

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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