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

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Answer 1 · 2018-03-16T04:45:34

$(x^2+4)(x+1)$

$x^3+x^2+4x+4$
Factor by grouping:
$(x^3+x^2)+(4x+4)$
$x^2(x+1)+4(x+1)$
$(x^2+4)(x+1)$

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