MCQ PracticeIf x 2 - 4x + 1 = 0, then what is the value of x 9 + x 7 - 194x 5 - 194x 3 ?Subject: MathematicsTopic: AlgebraA4B-4C1D-1Correct Answer: BPractice 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