Alondra1393 Alondra1393

20-08-2020
Mathematics

contestada

Piz look at the pic

[tex]piz \: help \:me \: thx[/tex]

Piz look at the pictexpiz help me thxtex class=

Respuesta :

20-08-2020

Answer:

-12a²+9a-5

Step-by-step explanation:

-7a²+3a-9 - (5a²-6a-4)=

-7a²+3a-9-5a²+6a+4=

-12a²+9a-5

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