The original version of the movie tron should have propelled the field of cgi except for the fact that:

The Tron movies did not make as much money as Disney had hoped. It was over 100 million to make the movie, however they only made 400 million back. It may seem like a lot but another movies (Alice In The Looking Glass) was also released that year. The movie was around the same price to make it, but it pulled in 1 billion USA dollars. Much more.

~Hope this helps!

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation:

four sitting presidents have been assassinated while in office but the first was abraham lincoln,