Answer :

Answer:

see explanation

Step-by-step explanation:

given

[tex]\frac{x}{y}[/tex] + 31x + 91y

Place all 3 terms over y, that is

[tex]\frac{\frac{x}{y} +31x+91y}{y}[/tex]

multiply each term on the numerator by y

= [tex]\frac{x+31xy+91y^2}{y}[/tex]