text: math question.. plese help? i'm stuck on this, please help me with this problem.  simplify: sqrt[10a^2)/2] first of all notice that 10a²/2 can be simplified to 5a².  then notice that the square root of something squared, is just that something -- i.e., √x² = x  so, for your problem:  √[10a²/2] = a√5  hope that helped!  ~ ♥ ~