The phrase "are impossible to solve" is correct and usable in written English.
It can be used when discussing problems, puzzles, or situations that cannot be resolved or figured out.
Example: "Some mathematical equations are so complex that they are impossible to solve without advanced techniques."
Alternatives: "cannot be resolved" or "are unsolvable".
"Some of the things … we think are impossible to solve today, [but] we'll look back with great satisfaction and say, 'Job well done,'" Ross says.
Generally these SDEs are impossible to solve in closed form and must be tackled approximately using methods that include eigenfunction decompositions, WKB expansions, and variational methods in the Langevin or Fokker Planck formalisms [2 4].
The equations used are nonlinear partial differential equations which are impossible to solve exactly through analytical methods, with the exception of a few idealized cases.
Um, the recognition of the rights of the Jewish people to have their country recognised as a Jewish country," he said, apparently missing the fact that the issues of boundaries and security are impossible to solve without doing something about the settlements.
Um, the recognition of the rights of the Jewish people to have their country recognized as a Jewish country," he said, apparently missing the fact that the issues of boundaries and security are impossible to solve without doing something about the settlements.
That's a common thread in You're the Worst: There are so many issues within relationships that are impossible to solve and you sort of have to just roll with them and find ways to exist together while knowing these problems won't go away—unless you break up.
Without dialogue it's impossible to solve these questions".
"It is impossible to solve the magnitude of the catastrophe with the resources available," said Carlos Lezcano, director of the National Institute of State Reserves.
If there's something that doesn't work in the screenplay, it's going to be impossible to solve it in the filming".
"I think this is impossible to solve by going to one user at a time and trying to teach them how to behave on the Internet," said Nir Zuk, founder and chief technology officer of Palo Alto Networks.
