7x2+13x-2/3x2+3x-6

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Solution for 7x2+13x-2/3x2+3x-6 equation: 


x in (-oo:+oo)

7*x^2-((2/3)*x^2)+13*x+3*x-6 = 0

7*x^2+(-2/3)*x^2+13*x+3*x-6 = 0

19/3*x^2+16*x-6 = 0

DELTA = 16^2-(-6*4*19/3)

DELTA = 408

DELTA > 0

x = (408^(1/2)-16)/(2*19/3) or x = (-408^(1/2)-16)/(2*19/3)

x = 3/38*(2*102^(1/2)-16) or x = 3/38*(-2*102^(1/2)-16)

x in { 3/38*(-2*102^(1/2)-16), 3/38*(2*102^(1/2)-16) }

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