Basic Math Examples

$\frac{n}{n^{2} - 2 n - 8}$

Step 1

Consider the form $x^{2} + b x + c$ . Find a pair of integers whose product is $c$ and whose sum is $b$ . In this case, whose product is $- 8$ and whose sum is $- 2$ .

$- 4, 2$

Step 2

Write the factored form using these integers.

$\frac{n}{(n - 4) (n + 2)}$