Simplify the fraction. $$\frac { 3 x - 9 } { x ^ { 2 } - 9 }$$
Assume that the denominator is not 0 .
A)$\frac{x}{x-3}$
B) $\frac { 3 } { x + 3 }$
C) $\frac { 1 } { x - 1 }$
D) $\frac { 1 } { x + 1 }$
E) $\frac { x } { x + 3 }$
F) $\frac { 3 } { x - 3 }$

Question

Quizplus · Accepted Answer

The numerator $3x - 9$ can be factored as $3(x - 3)$, and the denominator $x^2 - 9$ can be factored as $(x + 3)(x - 3)$ using the difference of squares formula. Simplifying, we get $\frac{3}{x + 3}$.

Simplify the Fraction 3x−9x2−9\frac { 3 x - 9 } { x ^ { 2 } - 9 }x2−93x−9​

Simplify the Fraction $\frac { 3 x - 9 } { x ^ { 2 } - 9 }$