Choose the correct simplification of the expression (−2x + 10y)(4x − 6y).

−8x2 − 52xy + 60y2
−8x2 + 52xy − 60y2
8x2 + 52xy − 60y2
−8x2 + 28xy − 60y2
so I have seen other answers to this of people showing how to do this step by step but can anyone please explain how to do this in detail?