SOLUTION: what is the working for x^2-4x+4 ....using the quadratic formula?
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Question 858288: what is the working for x^2-4x+4 ....using the quadratic formula?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
a= 1 , b= -4 , c= 4
b^2-4ac= 16 + -16
b^2-4ac= 0
x1=( 4 + 0 )/ 2
x1= 2
x2=( 4 0 ) / 2
x2= 2
The root is 2
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