EDGE Math 8

Simplify each complex rational expression. Then choose the correct answer.

1.	$\frac{\frac{2}{a} + \frac{3}{a + 1}}{\frac{15 a + 6}{a {}^{2}{(a + 1)}}}$

\frac{a}{3}

\frac{3}{a}

\frac{3}{a + 1}

none of the choices

Answer: $\frac{a}{3}$

2.	$\frac{\frac{5}{x + 2} + \frac{3}{x - 2}}{\frac{5}{x + 2} - \frac{3}{x - 2}}$

\frac{2 (2 x - 1)}{x - 8}

\frac{2 x - 1}{x - 8}

\frac{4 x - 1}{x - 8}

none of the choices

Answer: $\frac{2 (2 x - 1)}{x - 8}$

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