Number zero puzzle

I think of a number. When it is substituted into the expression (x − 4)(2x − 1), the result is zero. What could the number be?

Your answer:



Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Do you have a linear equation or system of equations and are looking for a solution? Or do you have a quadratic equation?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: