Answer
7x$^4$-2x$^3$+4x-2
Work Step by Step
$7x^4-3x^3+x^2$
$\underline{\qquad\quad x^3-x^2+4x-2}$
$7x^4-2x^3+0+4x-2=7x^4-2x^3+4x-2$
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