Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.
I don't know if this may be correct but maybe a good title would be How can Gravity and Electricity Both Create an Attractive Force?
Frequency, intensity, & time?
![(x-2y-4x^3)-2](https://tex.z-dn.net/?f=%28x-2y-4x%5E3%29-2)
Remove the parentheses (a) = a
![= x-2y-4x^3-2](https://tex.z-dn.net/?f=%3D%20x-2y-4x%5E3-2)
hope this helps!