Respuesta :

osikbro

Answer:

[tex]48f^2-110f+63[/tex]

Step-by-step explanation:

[tex](6f-7)(8f-9)=\\6f\cdot 8f + 6f\cdot -9 + -7\cdot 8f + -7\cdot -9=\\48f^2-54f-56f+63=\\48f^2-110f+63[/tex]

Hope this helps!

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