# How do you factor  x^3 + x^2 + 4x + 4?

$\left({x}^{2} + 4\right) \left(x + 1\right)$
${x}^{3} + {x}^{2} + 4 x + 4$
$\left({x}^{3} + {x}^{2}\right) + \left(4 x + 4\right)$
${x}^{2} \left(x + 1\right) + 4 \left(x + 1\right)$
$\left({x}^{2} + 4\right) \left(x + 1\right)$