Question 991084


Factor:
{{{2x^3z-4x^2z+18xz-36z}}}

{{{2z(x^3-2x^2+9x-18)}}}

{{{2z((x^3-2x^2)+(9x-18))}}}

{{{2z(x^2(x-2)+8(x-2))}}}

{{{2z((x^2+8)(x-2))}}}