Respuesta :

abs99rocks

Answer:

y-3/4

Step-by-step explanation:

y^2 - 9 can be simplified using difference of two squares to (y+3)(y-3)

4y +12 can be simplified to 4(y+3)

Cancel out the (y+3) from the top and bottom of the fraction

You are left with y-3 / 4

Answer:

y-3/4

Step-by-step explanation:

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