Answers created by Anne G.

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• How do you solve #2(x-1)^2 - 3 = 3(x+2) # using the quadratic formula?
  
• How do you factor #11x^2+122x+11#?
  
• How do you solve #9- 9x - 5- 3x = 7#?
  
• How do you use double-angle identities to find the exact value of sin 2x & cos 2x when csc(x) = -25/7 and cos x>0?
  
• The sum of two numbers is 100 and their difference is 20. What is the value of bigger number?