It is 4x2 - 4x [±] 3 = 0
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x2-4x+4 = 0 (x-2)(x-2) = 0 x = 2 or x = 2 It has two equal roots.
If you can't factor it easily, use the quadratic formula.
x*2+4x+8= 0 is a quadratic equation
x2+4x+4 = 0 (x+2)(x+2) = 0 x = -2 and also x = -2 When the solutions to a quadratic equation are identical this means that both values are at the turning point or vertex of the parabola just on the x axis. d>=0,then roots of quadratic equation are real if D<0,then roots are imaginary
x2 - 4x + 4 = 0 (x - 2)(x - 2) = 0 x = 2