Calculus Examples

$\frac{x^{2} - 16}{x - 4}$

Step 1

Set the denominator in $\frac{x^{2} - 16}{x - 4}$ equal to $0$ to find where the expression is undefined.

$x - 4 = 0$

Step 2

Add $4$ to both sides of the equation.

$x = 4$

Step 3