MCQ PracticeIf x 8 - 1442x 4 + 1 = 0, then a possible value of $$x - frac{1}{x}$$ is:Subject: MathematicsTopic: AlgebraA5B4C6D8Correct Answer: CPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the