Find the Excluded Values 5/(8x^2+24x)

$\frac{5}{8 x^{2} + 24 x}$

Set the denominator in $\frac{5}{8 x^{2} + 24 x}$ equal to $0$ to find where the expression is undefined.

$8 x^{2} + 24 x = 0$

Solve for $x$ .

Factor $8 x$ out of $8 x^{2} + 24 x$ .

Factor $8 x$ out of $8 x^{2}$ .

$8 x (x) + 24 x = 0$

Factor $8 x$ out of $24 x$ .

$8 x (x) + 8 x (3) = 0$

Factor $8 x$ out of $8 x (x) + 8 x (3)$ .

$8 x (x + 3) = 0$

If any individual factor on the left side of the equation is equal to $0$ , the entire expression will be equal to $0$ .

$x = 0$

$x + 3 = 0$

Set $x$ equal to $0$ .

$x = 0$

Set $x + 3$ equal to $0$ and solve for $x$ .

Set $x + 3$ equal to $0$ .

$x + 3 = 0$

Subtract $3$ from both sides of the equation.

$x = - 3$

The final solution is all the values that make $8 x (x + 3) = 0$ true.

$x = 0, - 3$

The equation is undefined where the denominator equals $0$ , the argument of a square root is less than $0$ , or the argument of a logarithm is less than or equal to $0$ .

$x = - 3, x = 0$

Find the Excluded Values 5/(8x^2+24x)

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