Question 943690
{{{(3x-1)(x^2+4x-3)}}}



{{{3x(x^2+4x-3)-1(x^2+4x-3)}}}



{{{3x^3+12x^2-9x-x^2-4x+3}}}



{{{3x^3+11x^2-13x+3}}}



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So {{{(3x-1)(x^2+4x-3)}}} expands out and simplifies to {{{3x^3+11x^2-13x+3}}}