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Solve these by using the complete square
x^2+4x+2=0
and also 2x^2+5x+3=0
please show all steps? X²-6x+y=0. What is y if y is a perfect square? How many degrees are in the "Sci-Fi" sector of the graph? Round your answer to the nearest degree. A:35
B:43
C:54
D:68? If 48 eV energy is required to move charge through a potential difference of 12 V, determine the charge involved.? What does dark matter explain apart from rotation curves? What does its existence mean and why is it important?