Question

Some algebra help

Answer 1

I'm trying to get
\[\frac{ 1 }{ xy + y^2 } - \frac{ 1 }{ xy }\]
Into
\[-\frac{ y }{ x(x+y) }\]

Answer 2

how did you get that answer ?

Answer 3

check the numerator
i don't think its y

Answer 4

first step)
take out the common factor (xy+y^2)
and then find common denominator

Answer 5

what is common in these 2 terms xy+y^2?