1. Factor the equation (x + 2)(x + 3) = 0. 2. Set each factor equal to zero: x + 2 = 0 and x + 3 = 0. 3. Solve for x: x = -2 and x = -3.

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Question

$$( \frac { 5 } { 8 } ) ^ { - 1 } - ( \frac { 1 } { 4 } ) ^ { - 1 }$$

$-\frac{12}{5}=-2.4$

Calculate $\frac{5}{8}$ to the power of $-1$ and get $\frac{8}{5}$.

$$\frac{8}{5}-\left(\frac{1}{4}\right)^{-1}$$

Calculate $\frac{1}{4}$ to the power of $-1$ and get $4$.

$$\frac{8}{5}-4$$

Subtract $4$ from $\frac{8}{5}$ to get $-\frac{12}{5}$.

$$-\frac{12}{5}$$

$-\frac{12}{5} = -2\frac{2}{5} = -2.4$