Question 358435
{{{ (9x+3)(2x^2 +2x +9)= (9x)(2x^2 +2x +9)+(3)(2x^2 +2x +9) }}}
{{{ (9x+3)(2x^2 +2x +9)= (18x^3 +18x^2 +81x)+(6x^2 +6x +27) }}}
{{{ (9x+3)(2x^2 +2x +9)= highlight(18x^3 +24x^2 +87x +27) }}}