Answers created by Brian E.

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• How do you find the absolute value of the complex number #-4+i#?
  
• How do you use synthetic division to find #f(sqrt{3})# if #f(x)=2x^3-6x+5#?
  
• What is 0.3% as a fraction?
  
• How do you simplify #4/(x^2+4x-5) - 3/(x^2-1)#?