Question

How do you simplify `(x^2+6x+9)/(x^2-9)`?

Answer 1

`(x+3)/(x-3)`

Explanation:

`x^2+6x+9=(x+3)^2`
`x^2-9=x^2-3^2=(x+3)(x-3)`

`(x^2+6x+9)/(x^2-9) = (x+3)^2/((x+3)(x-3))`

`=> =(x+3)/(x-3)`