Question 48852
x = -1 while y = 2
{{{2x^3 - 3xy}}}
{{{2(-1)^3 - 3(-1)(2)}}}
{{{2(-1)(-1)(-1) - 3(-1)(2)}}}
{{{-2 + 6}}}
{{{4}}}
I do not know much about other sites, but, if you need help, I would advise you to look at the tutor's lessons.