i have a problem that is (x [fraction bar] and under that i have a 5 then on the right side i have an equal sign {=}than on the right side of the equal sign i have a 2) i need help cause my teacher said 5x5=0!!! and to me it equals 25 i want to understand how in this equation 5x5=0 instead of 25 your help will be apreciated