9x^2-8x+3/4x^2+1

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Solution for 9x^2-8x+3/4x^2+1 equation: 


x in (-oo:+oo)

9*x^2+(3/4)*x^2-(8*x)+1 = 0

9*x^2+(3/4)*x^2-8*x+1 = 0

39/4*x^2-8*x+1 = 0

DELTA = (-8)^2-(1*4*39/4)

DELTA = 25

DELTA > 0

x = (25^(1/2)+8)/(2*39/4) or x = (8-25^(1/2))/(2*39/4)

x = 2/3 or x = 2/13

x in { 2/13, 2/3 }

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