Question

Add the rational expression:

1/(x+7) + 3/(x+2)

Answer 1

The answer will be 4x+23/(x+2) (x+7)

Answer 2

`(1)/(x + 7) + (3)/(x + 2)`

`= (x + 2)/((x + 7)(x + 2) ) + (3(x + 7))/((x + 2)(x + 7))`

`= \frac{x + 2 + 3x + 21}{ {x}^(2) + 9x + 14}`

`= \frac{4x + 23}{ {x}^(2) + 9x + 14 }`