Question 34134
{{{ (x+3)(x^2-2x+6) }}}
Multiply all 3 terms in the second bracket by each of the 2 terms in the first bracket:

{{{ x^3 - 2x^2 + 6x + 3x^2 - 6x + 18 }}}
and now collect "like terms"
{{{ x^3 + x^2 + 6x - 6x + 18 }}}
{{{ x^3 + x^2 + 18 }}}


jon.