Question 58558
{{{(x-1)(x-2)(x+3)}}}
= {{{(x-1)(x^2 - 2x + 3x - 3*2)}}}
= {{{(x-1)(x^2 + x - 6)}}}
= {{{x^3 + x^2 - 6x - x^2 - x + 6}}}
= {{{x^3 - 7x + 6}}}