Name the most efficient method to solve the quadratic equation: -2x^2+4=0

Pls will give brainliest and all p.s u can zoom in if u cant see plss

For what type of equity loan are you lent a lump sum, which is to be paid within a certain period of time? a. a line of credit b. equity c. a second mortgage d. an amortization

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?