annabelbanne annabelbanne

14-08-2020
Mathematics

contestada

Show that 7 + 10/y+2 = 9/y
simplifies to

Show that 7 10y2 9y simplifies to class=

Respuesta :

surjithayer10 surjithayer10

14-08-2020

Answer:

Step-by-step explanation:

[tex]7+ \frac{10}{y+2}=\frac{9}{y}\\or~7y(y+2)+10y=9(y+2)\\multiply~by~y(y+2)\\7y^2+14y+10y=9y+18\\7y^2+24y-9y-18=0\\7y^2+15y-18=0[/tex]

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