How do you factor $2x^4+x^3+2x+1$ ?

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Answer 1 · 2015-05-10T21:36:00

Collect $x^3$ between the first and second term and $1$ between the third and fourth:
$x^3(2x+1)+1(2x+1)=$
Collect $(2x+1)$
$=(2x+1)(x^3+1)$

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