Respuesta :

renjunhwang66

Answer:

3x²-4y-36-4

3x²-4y-40

et762572

Answer: based on your proposition of the expression:  [tex]3x^2-4y-40[/tex]

Step-by-step explanation:

[tex]3x^2-4\left(y+9\right)-4[/tex]

[tex]=3x^2-4y-36-4[/tex]

[tex]=3x^2-4y-40[/tex]

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good job