How do you add \frac { 4x } { 3x - 1} + \frac { 9} { x + 4}4x3x−1+9x+4?
1 Answer
Jun 22, 2017
Explanation:
The denominators must be the same in order to add fractions.
Because the numerator does not factor (at least not to anything nicely), this completes the addition.