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Answer:
A. [tex]x^{3} + 3x^{2} +5x+3[/tex]
B. [tex]2x^{3} -3x^{2} -5x+6[/tex]
C. [tex]3y^{3} - 4y^{2} -11y+4[/tex]
D. [tex]x^{2} - 2xy+y^2+x - y[/tex]
E. [tex]3m^2-2mn-n^2+6m+2n[/tex]
F. [tex]4x^4+4x^3+5x^2+2x+1[/tex]