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Splitting Sixty-Four Ans gives right answer, wrong process - doesn't define x, students don't understand why "reverse" the math at the end.? Wanttodeletemyaccount? How do you use Newton's method to approximate a solution of the equation e^(-2x)=-4x+2? Can a temperature below 0 kelvin exist? Selenium has six valence electrons. What is the valence of selenium?