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compute the discriminate. x^2 -4x+4 =0

determine the number and type of solution.

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Ralph L. | Algebra I, II, Visual Basic, Beginning C++ tutorAlgebra I, II, Visual Basic, Beginning C...
4.0 4.0 (1 lesson ratings) (1)
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x2 - 4x + 4 = 0
 
a = 1, b = -4, c = 4
 
b- 4ac
 
(-4)2 - 4*1*4
 
16 - 16 = 0
 
one real solution.
 
Chaitali M. | An Experienced Tutor in Elementary to College level Maths/Science.An Experienced Tutor in Elementary to Co...
4.7 4.7 (110 lesson ratings) (110)
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X2 - 4x + 4 = 0
 
(x-2)2 = 0
 
Hence, x =2 and multiplicity is 2.