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

$$\frac { 8 } { 11 } + \frac { 9 } { 13 }$$

$\frac{203}{143}\approx 1.41958042$

Least common multiple of $11$ and $13$ is $143$. Convert $\frac{8}{11}$ and $\frac{9}{13}$ to fractions with denominator $143$.

$$\frac{104}{143}+\frac{99}{143}$$

Since $\frac{104}{143}$ and $\frac{99}{143}$ have the same denominator, add them by adding their numerators.

$$\frac{104+99}{143}$$

Add $104$ and $99$ to get $203$.

$$\frac{203}{143}$$

$\frac{7 \cdot 29}{11 \cdot 13} = 1\frac{60}{143} = 1.4195804195804196$