4(x^2+3x+9/4)=0

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Solution for 4(x^2+3x+9/4)=0 equation: 


x in (-oo:+oo)

4*(x^2+3*x+9/4) = 0

x^2+3*x+9/4 = 0

x^2+3*x+9/4 = 0

DELTA = 3^2-(1*9/4*4)

DELTA = 0

x = -3/(1*2)

x = -3/2 or x = -3/2

(x+3/2)^2 = 0

4*(x+3/2)^2 = 0

x+3/2 = 0 // - 3/2

x = -3/2

x in { -3/2, -3/2 }

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