Question 901196
 {{{ -3y^3+15y^2-18y }}}

={{{-3y( y^2-5y+6)}}}....write {{{-5y}}} as {{{-3y-2y}}}

={{{-3y(y^2-3y-2y+6)}}} ....group

={{{-3y((y^2-3y)-(2y-6))}}}

={{{-3y(y(y-3)-2(y-3))}}}

={{{ -3y(y-3)(y-2) }}}