SOLUTION: How do you solve: f(x)=x squared - 2x + 4. Thanks

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Question 198890: How do you solve:
f(x)=x squared - 2x + 4.
Thanks

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given function


Plug in


Notice we have a quadratic 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 .


Simplify the square root (note: If you need help with simplifying square roots, check out this solver)


Break up the fraction.


Reduce.


or Break up the expression.


So the solutions are or


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