Respuesta :

Answer:

y = 2 x ± [tex]\sqrt{2}[/tex]   =± 2.8284

Step-by-step explanation:

y*y/4+15-(17)=0

       

Answer:

[tex]4 + 15 \div y = 17 \\ \\ 4 + 15 = 17y \\ \\ 19 = 17y \\ \\ y = \frac{19}{17} [/tex]