Answer
2x$^3$-5x$^2$-x+1
Work Step by Step
(1+2x)(x$^2$-3x+1)
1(x$^2$)+1(-3x)+1(1)+2x(x$^2$)+2x(-3x)+2x(1)
x$^2$-3x+1+2x$^3$-6x$^2$+2x
2x$^3$-5x$^2$-x+1
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