Answers edited by Archish R.

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• How do you add square root 3 + square root 12 - 4squareroot 75?
  
• Question #84442
  
• Question #7afad
  
• Find all real numbers #z# for which the equation #(z-5)x^2-zx+5=0# only has one real solution. Help, Please?
  
• A line passes through #(6 ,2 )# and #(3 ,4 )#. A second line passes through #(7 ,8 )#. What is one other point that the second line may pass through if it is parallel to the first line?
  
• Question #270b3
  
• In the quadratic equation #x^2+4ex=3f#, #e# and #f# are constants. What are the solutions for #x#?