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

$$\frac { 4 } { 9 } + \frac { 2 } { 7 }$$

$\frac{46}{63}\approx 0.73015873$

Least common multiple of $9$ and $7$ is $63$. Convert $\frac{4}{9}$ and $\frac{2}{7}$ to fractions with denominator $63$.

$$\frac{28}{63}+\frac{18}{63}$$

Since $\frac{28}{63}$ and $\frac{18}{63}$ have the same denominator, add them by adding their numerators.

$$\frac{28+18}{63}$$

Add $28$ and $18$ to get $46$.

$$\frac{46}{63}$$

$\frac{2 \cdot 23}{3 ^ {2} \cdot 7} = 0.7301587301587301$