Question

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

Answer 1

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!

Answer 2

so what would be the answer?

Answer 3

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

Answer 4

what would be the ristriction on the variables..?

Answer 5

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