How do you solve this equation 6x² + 11x – 35 = 0, 2x² – 4x – 2 = 0, 2x² – 64 = 0, x² – 16 = 0, x² – 7x = 0, 2x² + 8x = 0

Arrange the following in order from the shortest wavelength to the longest wavelength. visible light gamma rays radio waves x-ray waves microwave infrared