Question

How do you solve `x^2/(x +3) (-) 5/(x + 3) =0`?

Answer 1

`x^2/(x +3) (-) 5/(x + 3) =0`

the denominator is common here:

`(x^2 - 5)/(x + 3) =0`

`(x^2 - 5) =0 . (x+3)`

`(x^2 - 5) = 0`

`x^2 = 5`

`color(red)( x = +sqrt5 or -sqrt5`