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SAT Math Practice Question #34878 - SATify | SATify

#34878

expressions

algebra

medium

75 sec

Which expression is equivalent to $\frac{x + 5}{x ^{2} - 9} - \frac{1}{x - 3}$ ? What are the values of $x$ for which the expression is undefined?

A.

$\frac{2}{( x - 3 ) ( x + 3 )}$ ; $x e q 3, x e q - 3$

B.

$\frac{2 x + 8}{( x - 3 ) ( x + 3 )}$ ; $x e q 3, x e q - 3$

C.

$\frac{2}{( x - 3 ) ( x + 3 )}$ ; $x e q 3$

D.

$\frac{2 x + 8}{( x - 3 ) ( x + 3 )}$ ; $x e q 3$