Question

(y+8)/(y^2+7)=(?)/(y^2+7)(y-8)

Answer 1

`y^(2)  - 64`

Explanation:

`(y+8)/(y^(2) + 7 )  = (k)/((y^(2) + 7) (y-8) )`

This gives x=
`y^(2) - 64`

Using the formula that
`x^(2) - y^(2) = (x+y)(x-y)`