## anonymous 5 years ago 7-3). Reduce the following rational expression to lowest terms, if possible. x+2 _______ x^2=4

1. anonymous

factor the denominator as $(x+2)(x-2)$ and then cancel with the numerator. don't forget that when you divide you get a 1 in the numerator, not 0!

2. anonymous

so what would be the answer?

3. anonymous

$\frac{1}{x-2}$ is it clear?

4. anonymous

what would be the ristriction on the variables..?

5. anonymous

The restriction is only that, $x \neq \pm 2$ Which would make the expression N.D