SOLUTION: Use the quadratic formula to find the exact solutions. x2 - 14x + 74 = 0

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Question 538092: Use the quadratic formula to find the exact solutions.
x2 - 14x + 74 = 0
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given equation.


Notice that the quadratic is in the form of where , , and


Let's use the quadratic formula to solve for "x":


Start with the quadratic formula


Plug in , , and


Negate to get .


Square to get .


Multiply to get


Subtract from to get


Multiply and to get .


Take the square root of to get .


or Break up the expression.


or Break up the fraction for each case.


or Reduce.


or Simplify.


So the solutions are or


If you need more help, email me at jim_thompson5910@hotmail.com

Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you

Jim


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