$8+x-x^2$

$8+2x-x^2$

$8-2x+x^2$

$18+4x$

$18+x$

$4x$

$10-x+x^2$

$1-7x+x^2$

$1-9x+2x^2$

$-55-3x^2+x^3$

$-55+19x-x^2+6x^3$

$-55+19x-3x^2+x^3$

$74+18x$

$7+18x$

$4+18x$

$x+3$

$x+1$

$x+1$

$106+21x+4x^2$

$4x^2$

$106+4x^2$

$1-10x+20x^2$

$501-100x+20x^2$

$501-20x^2$

$20+x^2$

$9x+x^2$

$20+9x+x^2$

$77+24x+x^320+12x$

$77+24x+8x^2+x^3$

$77+24x+x^2+x^3$